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 _____.

On the drawing below what do the broken lines indicate?

What is the minimum dimension for X in the drawing below?

GFCI protection shall be provided for all 15A and 20A, 125V receptacles installed in a dwelling unit _____.

What size feeder conductors are required that supply the following motors?One 3 hp 230V three-phase motorOne 5 hp 230V three-phase motorOne 7.5 hp 230V three-phase motorOne 10 hp 230V three-phase motor