In general, the minimum size conductor permitted for use in parallel installations is _____ AWG.
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The feeder/service calculated load for a multifamily dwellin…
The feeder/service calculated load for a multifamily dwelling containing nine 12 kW ranges is _____.
Which conductor type has an insulation temperature rating of…
Which conductor type has an insulation temperature rating of 90°C?
A ______ conductor that carries only the unbalanced current…
A ______ conductor that carries only the unbalanced current from other conductors of the same circuit shall not be required to be counted when applying the provisions of 310.15(C)(1).
A separate overload device used to protect continuous-duty m…
A separate overload device used to protect continuous-duty motors rated more than 1 hp shall be selected to trip at no more than _____ percent of the motor nameplate full-load current rating if marked with a service factor of 1.16.
The maximum rating or setting of an inverse time breaker use…
The maximum rating or setting of an inverse time breaker used as the motor branch-circuit short-circuit and ground-fault protective device for a single-phase motor is _____ percent of the full-load current given in Table 430.248.
How many conductors in a junction box shall be counted for o…
How many conductors in a junction box shall be counted for one single pole switch, one three-way switch, three internal cable clamps, and three grounding conductors?
If the secondary voltage of a delta/delta transformer is 120…
If the secondary voltage of a delta/delta transformer is 120/240V, the high-leg voltage-to-ground (or neutral) is approximately _____.
Conductor derating factors shall not apply to conductors in…
Conductor derating factors shall not apply to conductors in nipples having a length not exceeding _____
Which is the highest rated FLC of the following?
Which is the highest rated FLC of the following?