False. Timer instructions are a common feature in most PLCs manufactured today.
PLC stands for Programmable Logic Controller. It is a digital computer used in industrial automation and control systems to control machines and processes. PLCs are designed to withstand harsh industrial environments and operate reliably for extended periods of time.
PLCs are programmed using specialized software and are typically used to monitor inputs from sensors and other devices and control outputs to motors, valves, and other equipment. They can be used to automate a wide range of processes, including manufacturing, assembly, and material handling.
PLCs offer a range of features, including high-speed processing, real-time control, and the ability to interface with other systems and devices. They are an essential component of modern industrial automation systems and are used in many industries, including automotive, food and beverage, and chemical manufacturing.
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If we code a produce/consumer program, which types of communication require us to implement process synchronization?
In a producer/consumer program, the types of communication that require process synchronization are shared resources or data structures, such as buffers or queues.
Step 1: The producer generates data and stores it in a shared buffer or queue. This is a form of communication between producer and consumer.
Step 2: The consumer retrieves data from the shared buffer or queue and processes it.
Step 3: Process synchronization is needed to ensure that the producer and consumer access the shared resource in a mutually exclusive manner, preventing conflicts and data inconsistency.
By implementing process synchronization, you can prevent issues such as overwriting produced data before it is consumed, or consuming data that has not been produced yet. This ensures a smooth communication and coordination between the producer and consumer processes.
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his voltage reading was obtained while cranking the engine. the indicated reading (0.816 v) is _
The voltage reading was taken while cranking the engine, and the indicated reading was 0.816 volts. To provide an explanation with the terms:
When cranking the engine, the starter motor requires a certain amount of voltage to function properly. The voltage reading of 0.816 volts indicates the electrical potential difference present at that specific point during the engine cranking process.
To determine whether this voltage reading is within the acceptable range, you would need to compare it to the manufacturer's specifications for the particular engine being tested. If the reading is within the specified range, the engine's electrical system is functioning properly. If it is outside the acceptable range, further investigation may be required to identify any potential issues with the engine's electrical components.
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Hi! Based on the information provided, the voltage reading obtained while cranking the engine was 0.816V. This indicated reading signifies the voltage level present during the engine cranking process.
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This entity is responsible for ensuring the proper and legal incorporation of security considerations:
a. Anti-Terrorism Working Group (ATWG)
b. Anti-Terrorism Officer
c. CI Support Personnel
d. Force Protection Working Group (FPWG)
e. Information Systems Security Managers (ISSM)
f. Installation Commander/Facility Director
g. Law Enforcement Officials
h. Legal Officers
i. Operations Security Officer
j. Physical Security Officer/Provost Marshal
k. Threat Working Group (TWG)
The Physical Security Officer/Provost Marshal is the entity responsible for ensuring the proper identifier and legal incorporation of security considerations.
The entity responsible for ensuring the proper identifier and legal incorporation of security considerations is the Security Enforcement entity, which may include Law Enforcement Officials, the Physical Security Officer/Provost Marshal, the Installation Commander/Facility Director, or the Operations Security Officer. Legal Officers may also provide guidance on the legal aspects of security enforcement. They work closely with law enforcement, operations, and other security-related personnel to maintain the safety and integrity of facilities and installations.
Their responsibilities include the installation, use, and maintenance of security equipment, from metal detectors to electronic monitoring. They may also interact with guests and staff for security reasons. Responsibilities include accessing guest and electronic information and overseeing all security.
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For a dwellign unit, the minimum size aluminum service entrance conductor permitted for a 100 amps service number zero _________ awg
310.15(b)(7)
For a dwelling unit, the minimum size aluminum service entrance conductor permitted for a 100-amp service is No. 1/0 AWG.
The table provides the minimum allowable ampacity for conductors of various materials and sizes. For a 100-amp service, the minimum allowable ampacity is 100 amperes, and the minimum conductor size for aluminum conductors is No. 1/0 AWG. It is important to note that the size of the service entrance conductor may also be influenced by factors such as the length of the run, voltage drop, and ambient temperature, among others. These factors may require a larger conductor size than the minimum required by the NEC to ensure safe and efficient operation of the electrical system.
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Scientists have detected thousands of gamma ray bursts. The evidence suggests that most or all of these bursts _________.
Scientists have detected thousands of gamma ray bursts. The evidence suggests that most or all of these bursts are caused by the collapse of massive stars and the subsequent explosion of their cores. This content loaded discovery has helped scientists better understand the processes that occur during supernovae and the release of high-energy radiation.
An explosive eruption is the worst volcanic eruption. This eruption occurs when thick magma is mixed with gas under the ground so that it will foam when it is ejected and cause volcanic ash when an eruption occurs. The possibility of an eruption becomes more violent when there is a blockage in the magma channel. Composite volcanoes tend to occur as a result of explosive eruptions, namely when magma pressure increases to come out to the earth's surface accompanied by gas pressure which further increases the eruption. The eruptions that occur in these composite volcanoes can become violent eruptions that affect a wider area.
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Each of the following class declarations has errors. Locate as many as you can. 63. class Yard { private: float length; public: yard(float l) { length = l; } // float conversion function void operator float() { return length; } ... Other member functions follow ...};
The errors in the given class declaration. Here are the issues : 1. The constructor has a typo in its name. It should be "Yard" instead of "yard" to match the class name, 2. The function signature for the conversion operator should be "operator float()" instead of "void operator float()". The return type should be float, not void.
Here's the corrected version of the class declaration:
```cpp
class Yard {
private:
float length;
public:
Yard(float l) { length = l; } // corrected constructor name
// corrected return type for conversion function
operator float() { return length; }
// ... Other member functions follow ...
};
```
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(590-4(C)) Type NM and NMC cables can be used for temporary wiring in structures of a height of 6 feet, 12 feet, or 18 feet.(True/False)
The answer is False.
According to the National Electric Code (NEC), Type NM and NMC cables are only suitable for use in residential buildings and are not permitted for use in commercial and industrial buildings. Additionally, these cables are not designed for use in temporary installations and are only permitted for permanent installations.
The height of the structure mentioned in the statement (6 feet, 12 feet, or 18 feet) is not relevant to the usage of NM and NMC cables, as these types of cables are designed for permanent wiring in buildings, not for temporary applications. It is crucial to follow the National Electrical Code (NEC) guidelines and other local regulations when using these cables for wiring purposes.
In summary, the statement is false because NM and NMC cables are not intended for temporary wiring and the height of the structure is not relevant to their usage. Remember to always follow electrical codes and safety guidelines when working with wiring and electrical systems.
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How many bits make up the single IPv6 hextet :10CD:
A single IPv6 hextet is made up of 16 bits. In the hextext 10CD, the first two digits (10) represent 8 bits (4 bits each), and the last two digits (CD) represent another 8 bits (4 bits each), making a total of 16 bits.
To determine the number of bits in a single IPv6 hextet like "10CD", follow these steps:
1. Understand that an IPv6 hextet consists of 4 hexadecimal digits.
2. Recall that each hexadecimal digit is represented by 4 bits.
3. Multiply the number of hexadecimal digits (4) by the number of bits per digit (4).
Calculation: 4 (hexadecimal digits) * 4 (bits per digit) = 16 bits
So, the single IPv6 hextet "10CD" is made up of 16 bits.
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The counter reset (RES) instruction, it is always given the same address as the counter it is to reset. true/false
The given statement "The counter reset (RES) instruction, it is always given the same address as the counter it is to reset." is true because the counter reset (RES) instruction is always given the same address as the counter it is to reset.
The RES instruction is used to reset the current value of a counter to its initial value, which is typically set to 0 or another predetermined value. In order to reset a specific counter, the RES instruction must be addressed to the same memory address as the counter. This ensures that the instruction is applied to the correct counter and that it resets the counter to the correct initial value. Therefore, the statement "the counter reset (RES) instruction is always given the same address as the counter it is to reset" is true.
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Which router interface should be used for direct remote access to the router via a modem?
The router interface that should be used for direct remote access to the router via a modem is typically the console port.
The router interface that should be used for direct remote access to the router via a modem is typically the console port. This interface allows for direct access to the router's command-line interface (CLI) and can be used to configure the router remotely. It is important to note that the console port is typically used for initial configuration and troubleshooting, and remote access should be secured using appropriate authentication and encryption methods to prevent unauthorized access.
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Every PLC model offers some form of counter instruction. true/false
True. all PLC models offer some form of counter instruction as it is an essential tool for automation and control.
How to determine PLC models?Programmable Logic Controllers (PLCs) are designed to perform automation tasks and they often need to keep track of various events and processes occurring in a system.
Counters are one of the essential instructions that are used in PLC programming to keep track of such events.
Counters are used to count pulses, events, or other actions, and they are available in various types and forms in different PLC models.
Most PLC models offer some form of counter instruction as it is a fundamental feature in PLC programming.
The counter instruction is used to increment or decrement a counter value based on a specified condition or input signal.
It is an important tool for controlling the flow of the program, and it can be used for a wide range of applications such as counting parts, tracking the number of times a machine has cycled, or monitoring the production rate of a system.
Therefore, it can be concluded that almost all PLC models offer some form of counter instruction as it is an essential tool for automation and control.
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To be classified or maintained as classified, information must meet all of the following criteria except:
The unauthorized disclosure of the information could reasonably be expected to cause damage to the national security.
To be classified or maintained as classified, information must meet all of the following criteria:
It must be owned by, produced by, or under the control of the U.S. government.
It must be determined to require protection against unauthorized disclosure based on the potential damage to national security that could result from such disclosure.
It must be designated as classified by an authorized original classification authority.
It must be marked as classified.
Failure to meet any of these criteria could result in the compromise of classified information, which could have serious consequences for national security.
It is essential that all individuals who have access to classified information understand and adhere to these criteria to prevent unauthorized disclosure and protect sensitive information.
The criteria must be met to classify or maintain information as classified.
There is no exception to these criteria.
These criteria are essential to maintaining the security and integrity of classified information and ensuring that it is only accessible to authorized personnel with the appropriate clearance levels.
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A sine wave has two maximum points (peaks) in one cycle.
How many maximum points does a sine wave have during one cycle?
A sine wave has two maximum points (peaks) during one cycle: one positive maximum and one negative maximum.
A sine wave's peak to peak value is twice its peak value. As a result, the waveform's total peak to peak value is 2 x 80 VAC, or 160 VAC.
A sine wave's peak to peak value is a crucial indicator of the waveform's amplitude. It is determined by multiplying the waveform's peak value by two. Given that the peak value of this specific waveform is 80 VAC, its peak to peak value is 2 x 80 VAC, or 160 VAC. This peak to peak value represents the total number of voltage swings experienced by the waveform from its base to its crest. This waveform's peak to peak value is a helpful
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In the new service or product development​ process, the design stage is critical because it
In the new service or product development process, the design stage is critical because it establishes the blueprint for the entire service or product, ensuring its functionality, appeal, and efficiency. This stage involves refining ideas, conducting research, and developing prototypes, ultimately setting the foundation for successful development and launch of the service or product.
In the new service or product development process, the design stage is critical because it lays the foundation for the entire project. This is where the team determines the overall look and feel of the service or product and ensures it aligns with the company's brand and mission. The design stage also involves making important decisions about the functionality and usability of the service or product. If any flaws or issues are identified at this stage, they can be addressed before moving forward with development. Therefore, the design stage is essential to the success of the overall service or product development process.
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the class shirt extends the clothing class. to make the class dressshirt inherit the functionality of both clothing and shirt its class header would be:
Group of answer choices
public class DressShirt inherits Shirt, Clothing
public class DressShirt inherits Shirt
public class DressShirt extends Shirt
public class DressShirt extends Shirt, Clothing
If Shirt inherits Clothing, then Shirt has direct access to the ______ members of Clothing
Group of answer choices
public and protected
public
private
protected
private and protected
Shirt inherits Clothing. What is the first thing that must happen in the Shirt constructor?
Group of answer choices
Initialize the required Shirt fields
Call the Clothing constructor
Create all objects required for Shirt fields
Map the parameters coming into the constructor to Shirt fields
The correct answer for the first question is: public class DressShirt extends Shirt, Clothing. The correct answer for the second question is: protected members of Clothing.
The correct answer for the third question is: Call the Clothing constructor. To make the class DressShirt inherit the functionality of both Clothing and Shirt, its class header would bethe class shirt extends the clothing class. to make the class dress shirt inherit the functionality of both clothing and shirt its class header would be.
public class DressShirt inherits Shirt, Clothing public class DressShirt inherits Shirt public class DressShirt extends Shirtpublic class DressShirt extends Shirt, Clothing. Your answer: public class DressShirt extends Shirt If Shirt inherits Clothing, then Shirt has direct access to the members of Clothing, Your answer: Call the Clothing constructor.
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The correct answer to the first question is: public class DressShirt extends Shirt, Clothing constructor.
The correct answer to the second question is: public and protected.
The correct answer to the third question is: Call the Clothing constructor.
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During normal operation, from which location do most Cisco routers run the IOS?
During normal operation, most Cisco routers run the IOS (Internetwork Operating System) from the Flash memory location. This is where the IOS image is stored and loaded during the router's boot-up process.
An exclusive operating system known as Cisco IOS (Internetwork Operating System) is used by Cisco Systems' routers and switches. The primary function of Cisco IOS is to facilitate data communication between network nodes. An operating system is a piece of system software that manages the hardware, software, and resources of a computer. Operating systems are used by computers, smartphones, video games, and other devices.
Hardware identification, multiprocessing, protocol, and processor support are all examples of basic operating system support. sharing of software and a printer. sharing a same database and file system. features for access control and user authentication in networks.
A "Network Operating System" is an operating system that includes associated protocols and applications to enable quick and inexpensive communication.
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5204 - The angle of attack at which a wing stalls remains constant regardless of:- Weight, dynamic pressure, bank angle, or pitch attitude-Dynamic pressure, but varies with weight, bank angle, and pitch attitude- Weight and pitch attitude, but varies with dynamic pressure and bank angle
The correct answer is: Dynamic pressure, but varies with weight, bank angle, and pitch attitude.
The angle of attack at which a wing stalls is determined by the dynamic pressure of the air flowing over the wing, which is a function of airspeed and air density. However, this angle can be influenced by other factors such as weight, bank angle, and pitch attitude. For example, a heavier aircraft may require a higher angle of attack to maintain lift, while a steeper bank angle or a nose-up pitch attitude can also increase the angle of attack and potentially lead to a stall. Therefore, while dynamic pressure is the primary factor determining the stall angle, it is also affected by other variables. The angle of attack at which a wing stalls remains constant regardless of weight, dynamic pressure, bank angle, or pitch attitude.
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The overhead service conductors from the last pole or other aerial support to and including the splices, if any, connection to the service-entrance conductors at the building or other structure.
10 def.
The overhead service conductors refer to the wires that are responsible for carrying electrical power from the last pole or aerial support to the building or other structure. These conductors include all the components, including any splices that are used to connect the service-entrance conductors at the building or other structure.
Overall, the structure of these service conductors is an essential aspect of ensuring that electrical service is safely and reliably delivered to homes and businesses.
Overhead support The conductors are those that run from the service point to the building's or other structure's first point of connection to the service-entrance conductors.
A substance or material that allows the passage of power is known as an electric conductor. When voltage is applied, electric charge carriers—typically electrons or ions—move without difficulty from one atom to the next in a conductor.
Conductors are the substances or materials that let energy pass through them. Additionally, conductors allow heat to pass through them. Metals, the human body, the Earth, and animals are some examples of conductors. The body is a powerful conductor.
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A network technician is investigating network connectivity from a PC to a remote host with the address 10.1.1.5. Which command issued on the PC will return to the technician the complete path to the remote host?
To investigate network connectivity from a PC to a remote host with the address 10.1.1.5, the network technician should use the `tracert` command (on Windows) or `traceroute` command (on Linux and macOS).
This command will return the complete path to the remote host by displaying all intermediate hops between the PC and the remote host. The command that the network technician can use to trace the complete path to the remote host with the IP address 10.1.1.5 from the PC is "tracert 10.1.1.5". This command will provide a detailed report of the network route taken by the packets to reach the destination, including each hop, the time taken to reach each hop, and the IP address of each device on the way to the remote host.
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This facility access control procedure focuses on the unauthorized removal of government assets from an area; thus, it serves not only as a deterrent, but also as a means for detecting contraband: That is the part of:
This facility's access control procedure is designed to prevent unauthorized individuals from removing government assets from the area.
This procedure acts as both a deterrent and a detection method for contraband. The facility access control procedure you described, which focuses on preventing the unauthorized removal of government assets.
And serves as both a deterrent and a means for detecting contraband, is part of a comprehensive security plan or policy.
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EMT smaller than ________ inch shall not be used.
EMT smaller than a specific inch size shall not be used when the conduit does not meet the required minimum diameter for a particular application. It is important to refer to the applicable code or standard for the minimum diameter requirement in your specific situation.
Emergency Medical Technicians provide out of hospital emergency medical care and transportation for critical and emergent patients who access the emergency medical services (EMS) system. EMTs have the basic knowledge and skills necessary to stabilize and safely transport patients ranging from non-emergency and routine medical transports to life threatening emergencies. Emergency Medical Technicians function as part of a comprehensive EMS response system, under medical oversight. Emergency Medical Technicians perform interventions with the basic equipment typically found on an ambulance. Emergency Medical Technicians are a critical link between the scene of an emergency and the health care system.
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Bending radius in type AC shall be made not to be damaged and of the curve of the inner edge of any bend shall not be less than _________ times in diameter of the cable.
325.24
The bending radius in type AC cable should be made to prevent damage, and the curve of the inner edge of any bend should not be less than 5 times the diameter of the cable, as specified in the NEC section 320.24.
Pull the cord to unplug them from the outlet was one of the other answers to the question. Carry them by the cord, option C. D) Keep them close to outlets and on the prevent damage work table in a location that is simple to reach.
Read the manufacturer's directions for proper usage and maintenance of your tools to avoid harm.
These days, tools are pricey. Because of this, if you want to use them for a long time, you must take good care of them and use them appropriately. You must first study the manufacturer's instructions for the use and upkeep of the tool because of its complexity. By doing so, you'll make the most of their potential and employ them more effectively for the right tasks.
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Vaults have reinforced concrete walls, ceilings, and floors, and have a hardened steel door:
The use of reinforced concrete walls, ceilings, and floors in vaults is intended to provide extra strength and durability.
This construction method involves adding additional steel bars or mesh to the concrete mix to improve its tensile strength, which makes it more resistant to cracking and breaking under pressure. Similarly, the hardened steel door is designed to withstand significant force or impact, making it virtually impenetrable. Overall, the combination of reinforced concrete and hardened steel makes vaults extremely secure and difficult to breach.
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What does the Total Coliform Rule require in response to a positive sample for Total Coliforms?
a) Immediate Public Notification
b) Issuance of Boil Water notices
c) Repeat Sampling
d) Distribution system flushing
c) Repeat Sampling, The Total Coliform Rule requires that if a sample taken from a public water system tests positive for Total Coliforms, the system must take immediate corrective action.
which includes repeating the sampling process to confirm the results and to identify the source of contamination. The system must also assess the problem and take necessary steps to eliminate the contamination and prevent it from recurring. Immediate public notification and issuance of boil water notices may also be necessary depending on the severity of the contamination. Distribution system flushing may also be required as part of the corrective action. Coliforms are a group of bacteria commonly found in the environment and in the gastrointestinal tracts of humans and animals. They are indicators of fecal contamination and are used as a measure of water quality and safety. Coliforms can cause illness in humans, especially those with weakened immune systems, and their presence in drinking water is a sign of possible contamination with harmful pathogens. Coliforms are classified into two groups: total coliforms and fecal coliforms. Fecal coliforms are a subset of total coliforms and are found only in the feces of warm-blooded animals.
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(358-26) A run of electrical metallic tubing between outlet boxes shall not exceed _____ close to the box.
The National Electric Code (NEC) states that a run of electrical metallic tubing between outlet boxes shall not exceed 3 feet close to the box.
This is to ensure safe and efficient electrical wiring installation. It is important to follow these guidelines to prevent electrical hazards and ensure compliance with local building codes. If too many wires are installed in a conduit, the conduit can become overheated, which could create a fire hazard. The maximum length limit helps ensure that there is adequate space in the conduit for the wires, which in turn helps prevent overheating.It's worth noting that the maximum wire fill rule for EMT conduit is not the only requirement for conduit installations in the NEC. Other requirements include rules for minimum conduit size, maximum conduit fill, and proper installation techniques to ensure the conduit is securely fastened and protected from damage. These requirements are all aimed at ensuring the safety and reliability of electrical wiring installations.
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While paving an unsupported edge the edge can no deviate more than how far from the string line?
The edge cannot deviate more than 3/8 inch from the string line when paving an unsupported edge.
When paving an unsupported edge, which is a pavement edge devoid of any support or obstruction, care must be taken to prevent excessive deviation from the ideal location. An unsupported edge can normally deviate from the string line by no more than 3/8 inch. This is so that a larger deviation won't impair the pavement's edge integrity and cause early pavement breakdown. String lines, straightedges, and laser-guided devices are just a few of the instruments and methods that may be utilised to make sure the pavement edge stays within the allowable variation. The lifetime and durability of the pavement depend on proper attention being paid to the edge deviation requirements throughout the paving process.
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The​ _______ the supply​ chain, the less predictable the likelihood and the impact of a​ disruption, and the greater the risk to the effectiveness of the supply chain.
The longer the length of the supply chain, the less predictable the likelihood and the impact of a disruption, and the greater the risk to the effectiveness of the supply chain.
The longer the supply chain, the less predictable the likelihood and impact of a disruption, and the greater the risk to the effectiveness of the supply chain. This is because as the supply chain becomes longer, it involves more stages and parties, such as suppliers, manufacturers, distributors, and retailers, which increases the complexity of the system and makes it more vulnerable to disruptions. For example, if a supplier in a long supply chain experiences a disruption, it can cause delays in the production process, which can lead to a shortage of goods, increased costs, and lower customer satisfaction. These disruptions can be caused by a variety of factors, such as natural disasters, transportation issues, labor strikes, and supplier bankruptcy, among others.
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Where the number or current- carrying conductors in a raceway or cable, when it exceeds the allowable ampacity of each conductor it shall be ________.
310.15(b)(3)
Where the number or current-carrying conductors in a raceway or cable, when it exceeds the allowable ampacity of each conductor it shall be derated. This is stated in section 310.15(b)(3) of the National Electrical Code (NEC).
Current-carrying conductor: a conductor which carries the electric current under normal conditions [this term is defined in the IEC TS 62257-5-2015].Current-carrying conductor: a conductor which carries the electric current under normal conditions [this term is defined in the IEC TS 62257-5-2015].
Note 1 to entry: The line conductor (L), the neutral conductor (N), the mid conductor (M), the PEN conductor, the PEM conductor and the PEL conductor are the current-carrying conductors. The protective conductor (PE) is not the current-carrying conductor.
A protective conductor under normal conditions conducts almost no electric current, because there are no faults and no induced currents, such as earth fault currents. Therefore, it is not considered a current-carrying conductor and is not included in the total number of conductors in electrical circuits, networks and systems.
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T/F: "Contained in" applies when a properly marked source document contains classified information that has been extracted word-for-work and placed into the new document.
The given statement " Contained in applies when a properly marked source document contains classified information that has been extracted word-for-word and placed into the new document." is true because this means that the new document should also be marked with the appropriate classification markings to indicate the level of sensitivity of the information contained within it.
In this context, the "Contained in" marking indicates that the classified information in the new document originated from the source document, and that the source document is the controlling classification authority for that information. The new document may contain additional information that is not classified or may have a different overall classification level than the source document.
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Junction boxes shall be installed so that the wiring is _________ without removing any part of the building.
314.72(d)
Junction boxes shall be installed so that the wiring is accessible without removing any part of the building, meaning that the junction boxes can be reached and serviced without the need for demolition or major renovation work.
Roll-based access control is a method of restricting accessible to the network and to data based on an employee's position within a department. In this manner, access permissions are given in accordance with the roles given to employees. Employees with access privileges under this sort of access control are only permitted to access the folders and data files they require to do their tasks; otherwise, they are not permitted to access any data or information. This lowers the possibility of data breaches and aids the department in protecting sensitive data files and information.
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