How far must mechanical protection be provided when underground service conductors are carried up a pole?
Q: Fixture whips are permitted to be a maximum of _________ long between outlet box and fixture.
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Q: What device can determine how far a cable damage is?
A: we have to give detail about the device that can determine "how far a cable damage is".
Q: 5.0 Question 5.1 5.2 Define the terms of electrical conductors? Define the term of cable insulator?
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Q: Information about underground cables by voltage?
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Q: The white wire of a cable may be used to connect to a "hot" ungrounded circuit conductor only if ?
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Q: Why is plenumrated cabling required in the region above the ceiling tile?
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Q: Why is plenumrated cabling necessary in the region above the ceiling tile?
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Q: _ lines indicate exposed wiring
A: _ lines indicate exposed wiring.?
Q: Per the NEC, which material must conductors be composed of, unless otherwise specified?
A: Conductor material
Q: 4.Justify: why electrical isolation and theft prevention are the advantages of non-conductive cable?
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A: The explanation is as follows.
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Q: rue or false : can broken wires or water cause a long circuit ?
A: When wires get broke , passage of electricity in that wire also breaks
Q: what is the largest size conductor allowed to be used with a wirenut
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Q: What do you mean by permissible current loading of an underground cable?
A: Permissible current loading: It is the maximum amount of current the cable can carry without any…
Q: What is grading of cables.Explain?
A: In case of underground cable insulating layer very close to the conductor experiences maximum…
Q: 8. All conductors of a multiwire branch circuit must originate from ____
A: A multi-wire branch circuit is circuit which has two or more ungrounded and one grounded conductors
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Q: name two types of conductor insulation designed to be used underground
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Q: What is grading of cables explain. Subject Power Transmission and Distriution.
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- Is it permissible to use standard 60C insulated conductors to connect all counter-mounted cooking units? ___________________________________________________ Why? ________________________________________________________________Most armored cable today has 90C conductors. What is the correct designation for this type of armored cable?______What do you mean by permissible current loading of an underground cable?
- Fixture whips containing tap conductors used with fixtures in suspended ceilings are permitted to be of various types of cables or conductors in flexible raceways. Fixture whips are permitted to be a maximum of _________ long between outlet box and fixture.What is grading of cables.Explain?Information about underground cables by voltage?
- 8. What type of electrical conductor is used for underground applications?Where insulated conductors are deflected within a wireway, either at the ends or where conduits, fittings, or other raceways or cables enter or leave the wireway, or where the direction of the wireway is deflected greater than ____, dimensions corresponding to one wire per terminal in Table 312.6(A) shall apply.When the ground is removed from the sheath at one end to reduce heating in a cable, what hazard exists at the ungrounded end of the cable?
- What size are the conductors used for this branch circuit? ______________What are the minimum distances or clearances for the following? a. Overhead service conductor clearance over private driveway _____________ b. Overhead service conductor clearance over private sidewalks _____________ c. Overhead service conductor clearance over alleys ______________________________ d. Overhead service conductor clearance over a roof having a roof pitch of not less than 4/12. (Voltage between conductors does not exceed 300 volts.) _______________ e. Overhead service conductor horizontal clearance from a porch _______________ f. Overhead service conductor clearance from a fence that can be climbed on _________Is it always necessary to attach the bare equipment grounding conductor of a nonmetallic-sheathed cable to the green hexagon-shaped grounding screw on a receptacle? Explain.