#7. Questions with Correct Verified
Answers 2026-2027. Graded A
A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, Design C, AC
motor has a full-load running current of _________.
A. 130 amperes
B. 143 amperes
C. 162 amperes
D. 195 amperes - ANSB. 143 amperes
A plate-type grounding electrode shall be installed below the surface of the
earth NOT less than ________.
A. 24 inches
B. 30 inches
C. 36 inches
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, D. 48 inches - ANSB. 30 inches
As a general rule, when a size 4 AWG or larger insulated conductor enters
a panel board, cabinet, or enclosure, which of the following must be
provided?
A. a bonding jumper
B. a grounding clip
C. an insulated bushing
D. an insulated grounding conductor - ANSC. an insulated bushing
Class ________ locations are those that are hazardous because of the
presence of easily ignitible fibers or where materials producing combustible
flyings are handled.
A. I
B. II
C. III
D. IV - ANSC. III
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