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North Dakota Electrician Practice 18

Practice 18 for Electrician Exam learners in North Dakota: 25 questions, explained answers, and a review routine.

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Question 1

1

Standard-method dwelling, 3,000 sq ft: general lighting 9,000 VA plus small-appliance/laundry 4,500 VA = 13,500 VA. After Table 220.42 (3,000 at 100%, remainder at 35%), the demand is:

Question 2

2

Continuing: add a 5 kW dryer (220.54), an 8 kW range (220.55 Col C), and 9 kW heat (larger of noncoincident vs 6 kW A/C). The net demand at 240 V is about:

Question 3

3

A 2,500 A service has 7 sets of 600 kcmil copper per phase. Per NEC Table 250.66, the GEC to building steel is capped at the largest table row, which is:

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