Why is plenumrated cabling required in the region above the ceiling tile?

Q: Six 1/0 aluminum conductors are to be run in a conduit. Each conductor has type THWN insulation's,…

A:

Q: What is the lighting demand load before derating for a house with outside dimensions of 30ft x 48ft…

A: Here, we have given the outside dimensions of a house. For the first floor the dimension is : 30…

Q: What are the precautions that have to be followed while handling the resigns during cable joining…

A: The cable joints are made in this way that the joints are accessible for inspection, when fault is…

Q: Explain the use of cable glanding

A: Cable glands are commonly defined as mechanical cable entry devices The use of cable glanding?

Q: What justifies the need for plenumrated cabling above the ceiling tile?

A:

Q: For installing directly in a concrete slab, (armored cable), (non metallic-sheated cable), (rigid…

A: For installing directly in a concrete slab Rigid metal conduit (RMC) can be used.  A rigid metal…

Q: Give the raceway size required for each of the following conductor combinations: 1. Five, 10 AWG,…

A: The raceway size  required for each of the following conductor combination is given as per the…

Q: The _______ point is where the facilities of the serving utility and the premises wiring connect. A.…

A:

Q: ___ is the use of colors of conductors covers in the wiring connections.

A: Use of colors of conductors in the wiring connections

Q: What is the purpose of plenum-rated cabling?

A: In this question of we will write purpose of plenum rated cabling...

Q: Why is it necessary to have plenumrated cabling above the ceiling tile?

A: The limited plenum cable has special inserts for low flame and low smoke features. The plenum cable…

Q: Why doesn’t a multi wire branch circuit not have a neutral conductor?

A: A multiwire branch circuit consists of  ungrounded conductors that have a voltage between them, and…

Q: Wiring methods permitted for service conductors include. A. Rigid metal conduit                B.…

A: The conductors which run from the service point to the service equipment are classified as service…

Q: When installing raceways underground in rigid nonmetallic conduit and other approved raceways, there…

A: To find the cover distance in installing underground raceways in rigid non-metallic conduit.

Q: What assumptions can you make regarding the following receptacle wiring? Check all that apply.

A: A split pair is a wiring fault in which two twisted pair wires are linked instead with two wires…

Q: Why is it necessary to run plenumrated cabling above the ceiling tile?

A:

Q: The equipment grounding conductor of a grounding-type receptacle or a branch-circuit extension is…

A: True, The equipment grounding conductor of a grounding-type receptacle or a branch-circuit extension…

Q: and installation fluorescent lamp withe Electrical Choke and Tube Light Starter and One-way-switch ,…

A:

Q: Why are the outlets in homes never wired in series? What problems might this present?

A: In homes, all the circuits are connected in parallel manner.  The reason behind using the parallel…

Q: QI/B: For underground cables, what is the purpose of using insulation part?

A: Given :    In the question they want to know the purpose of the insulation part of the cables which…

Q: Duct banks for medium- and high-voltage feeders are identified with _______ on top before final…

A: In this case, the identification of the duct banks with medium and high voltage feeders needs to be…

Q: Which type of Insulator is used in Substations to support connections for High Voltage Switchgears,…

A: Given To determine which type of insulator is used in substation

Q: What are three main reasons to install grounds and bonds on an isolated circuit before work is…

A: The power system has to transmit power from the generation side to the load side. For this purpose,…

Q: In an overhead system, the basis of comparison is the maximum voltage between conductor and ground.…

A: An overhead power line is a structure that transmits electrical energy across long distances in…

Q: What is the common reason for failure of inter turn insulation?

A: The major cause of inter turn failure is:-

Q: Vhich of the following systems of wiring is the costliest? O Conduit wiring O Wooden casing and…

A: Option A  Conduit wiring is costliest among all wiring systems

Q: How far must mechanical protection be provided when underground service conductors are carried up a…

A: The Underground Conductor are electric conductor insulated and placed under the surface of the…

Q: Why is plenumrated cabling necessary in the region above the ceiling tile?

A: The power system has to transmit power from the generation side to the load side. For this purpose,…

Q: The minimum point of attachment of the service-drop conductors to a building must in no case be less…

A: Service drop conductor is used to supply power to the consumer. These conductors either used as…

Q: Why is the circuit overdamped? Explain.

A:

Q: What is the difference between Miswire and short in the cabling?

A: Cable tester: It is an electronic device used to check the electrical connections in a wire or…

Q: Grounding lighting fixtures. Threre are specific requirements for grounding lighting fixtures. How…

A: The light fixtures may have an external chassis made out of metal. In that case, run a green wire…

Q: 15. Why is it necessary to have a good grounding system for the building?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: What is the meaning of "system redundancy" in aircraft electrical systems? Explain why system…

A: We have given the following problem What is the meaning of "system redundancy" in aircraft…

Q: Service-drop conductors must have a minimum of __ vertical clearance from final grade over…

A: Service drop conductors is used to transfer electric power to consumers. These conductors must be…

Q: 14. Which of the following statements about the neutral ground-strap ground fault protection system…

A: An Equipment Grounding Conductor (EGC) is used to ground the metallic parts of the equipment, which…

Q: 4_ What measures and procedure would you perform in order to detect a missing/disconnected phase in…

A: When a phase is missing or disconnected from a 3 phase power system, this type of failure is called…

Q: 3. How is the insulation arrangement done for different parts in switchgear?

A: Different types of insulation are used in the constructions of switchgear.

Q: Which of the following is not an approved grounding method? A) Metallic underground water piping B)…

A: Electrical grounding is a backup pathway that provides an alternating route for the current to flow…

Q: Which term is synonymous with short-circuit current rating?…

A: Short circuit current rating, or SCR, refers to the highest short circuit current that an electrical…

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

Q: Why we need to use the split way in distribution panel boards?

A: The split way is used in the distribution panelboard in order to split the incoming supply into…

Q: 11.a. Which of the following is a point where a grounding electrode conductor connection must be…

A: Answer 11 (a) : According to national electrical code 250-(96), Grounding electrode conductor…

Q: Information about the cables that rating is above 132kv?

A: XLPE extra high voltage cable have voltage rating above 120 KV .

Q: a)How do voids in the insulation cause breakdown of the cable? b)How do the various devices protect…

A: High voltage cables are used for the transmission and distribution purpose for electric power. In…

Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.