In a dwelling unit, each wall space _____ or wider requires a receptacle.

What size EMT conduit is required for three 250-kcmil THWN-2 phase conductors and a 4-AWG THWN equipment grounding conductor?

A parallel circuit is composed of two 60 ohm resistors. What is the total resistance?

What’s the total connected load for general lighting and receptacles, small-appliance, and laundry circuits for a 6,540 sq ft dwelling unit?

In the transformer connections below, the primary (top) is connected in a ______ and the secondary (bottom) is connected is a ________.

When selecting the feeder conductors and short-circuit ground-fault protection device, which of the following motors is considered the highest rated?  _____.

What size THW conductors are required to carry a 3-hp, 240-volt, single-phase motor? There will be a total of eight conductors in the conduit and the ambient temperature is 88° F.

What is the maximum overcurrent protection for each of twenty 14-AWG THW conductors pulled in a 2” conduit nipple that is 20” long?

What size branch circuit short-circuit and ground-fault protection is required for a 24A motor-compressor connected to a 240V circuit?

The primary line current of a three-phase, 12 kVA, delta/delta transformer with a 480V primary and a 120/240V secondary is closest to _____.