7. A continuous black outer finish is one of the means to identify a negative ungrounded branch circuit conductor size 6 AWG and smaller where the negative polarity of a DC system serves as the connection point for the grounded conductor. O True O False

7. A continuous black outer finish is one of the means to identify a negative ungrounded branch circuit conductor size 6 AWG and smaller where the negative polarity of a DC system serves as the connection point for the grounded conductor. O True O False

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter4: Conductor Sizes And Types, Wiring Methods, Wire Connections, Voltage Drop, And Neutral Conductor Sizing For Services

Section: Chapter Questions

Problem 7R: What is the voltage rating of the conductors in Type NMC cable? _______________

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Concept explainers

HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

Question

Please answer in typing format

7. A continuous black outer finish is one of the
means to identify a negative ungrounded
branch circuit conductor size 6 AWG and
smaller where the negative polarity of a DC
system serves as the connection point for the
grounded conductor.
O True
O False

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Step 1: Branch Circuits Supplied From Direct-Current Systems

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