The maximum number of 14 AWG conductors with THHN insulation that you could install in a 3/8" trade size FMC is __________ if the connector fittings are inside or __________ if the connector fittings are outside. (assume the use of a grounding conductor)

Question

Quizplus · Accepted Answer

According to NEC Table 348.22(A), the maximum number of 14 AWG conductors with THHN insulation in a 3/8" trade size FMC is 4 with the connector fittings inside and 5 with the connector fittings outside. So, the best choice is C as it provides both possible options.

The Maximum Number of 14 AWG Conductors with THHN Insulation