T/F According to sections 225.30, a building or structure served by a branch circuit or feeder, may use additional feeders or branch circuits to supply installations under single management where documented safe switching procedures are established and maintained for disconnection.
T/F According to section 215.2, when a feeder supplies a combination of continuous and noncontinuous loads, the allowable ampacity of the noncontinuous load plus 75 percent of the continuous load is sufficient.
T/F According to section 215.27, when a raceway enters a building or structure from the outside, it does not need to be sealed.
T/F According to section 225.30, It is not permitted to have additional branch circuits or feeders on the load side of a disconnecting circuit for electric vehicle charging systems listed, labeled or identified for more than a single branch circuit or feeder.
T/F According to section 215.12, a feeder supplied by a negative polarity DC, size 6 AWG or smaller, ungrounded conductor can be identified by sleeving or shrink-tubing marked at all termination, connection, and splice points with imprinted plus signs or the word POSITIVE or POS, and durably marked on the insulation of a color other than green, white, gray or black.
According to section 215.12, which colors are not allowed for the markings found on feeders supplied by a shrink-tubing or sleeving of a DC ungrounded positive polarity (6AWG or smaller) conductor at all termination, connection and splice points?
T/F According to section 215.12, a feeder supplied by a positive polarity DC, size 6 AWG or smaller, ungrounded conductor can be identified by sleeving or shrink-tubing marked at all termination, connection, and splice points with imprinted plus signs or the word POSITIVE or POS and durably marked on the insulation in a color other than green, white, gray or black.
According to Article 215.2, for feeders that supply a combination of continuous and noncontinuous loads; the minimum feeder conductor size shall have an allowable ampacity not less than the noncontinuous load plus 125 percent of the continuous load, except _______.?
2017 NEC Article 215.12: Pg 2
2017 NEC Chapter 2 – Wiring and Protection. (Provides the basis for wiring) ARTICLE 215 Feeders Code Revision: (A) Grounded Conductor Code Revision: (C)(2) Feeders Supplied from Direct-Current Systems Code…