Electrical-Level 3, Chapter 1 {LATEST 2026 -
2027 update} QUESTIONS AND ANSWERS
100% CORRECT
What is the current-carrying ampacity for each of 10 No. 10 THHN copper conductors
installed in a single conduit? - correct answer 20A
What is the capacity, in amperes, for a 20A circuit breaker supplying a continuous
load? - correct answer 16A
The general lighting load (expressed as a unit load per square foot) for a warehouse is
_____. - correct answer 1/4VA/sq ft
The general lighting load for a store is _____. - correct answer 3VA/sq ft
How many receptacles are required for 90 linear feet of show window area? - correct
answer 8
, A continuous load is defined by the NEC® as a load whose maximum current is
expected to continue for at least _____. - correct answer 3 hours
Which size copper branch circuit conductors are required to supply an air conditioning
unit with a nameplate rating of 33.5A, 208V, 3Ø? - correct answer No. 6
Branch circuit conductors supplying continuous duty loads are calculated at _____. -
correct answer 25% of the rated load
The voltage drop between the point of service and the farthest outlet in a branch circuit
should not exceed _____. - correct answer 3%
2027 update} QUESTIONS AND ANSWERS
100% CORRECT
What is the current-carrying ampacity for each of 10 No. 10 THHN copper conductors
installed in a single conduit? - correct answer 20A
What is the capacity, in amperes, for a 20A circuit breaker supplying a continuous
load? - correct answer 16A
The general lighting load (expressed as a unit load per square foot) for a warehouse is
_____. - correct answer 1/4VA/sq ft
The general lighting load for a store is _____. - correct answer 3VA/sq ft
How many receptacles are required for 90 linear feet of show window area? - correct
answer 8
, A continuous load is defined by the NEC® as a load whose maximum current is
expected to continue for at least _____. - correct answer 3 hours
Which size copper branch circuit conductors are required to supply an air conditioning
unit with a nameplate rating of 33.5A, 208V, 3Ø? - correct answer No. 6
Branch circuit conductors supplying continuous duty loads are calculated at _____. -
correct answer 25% of the rated load
The voltage drop between the point of service and the farthest outlet in a branch circuit
should not exceed _____. - correct answer 3%
