TN LLE General NEC Requirements 3

Question 1

Per NEC 230.70, where must the service disconnecting means be located?

Accepted Answer

At the nearest point of entrance of the service conductors, readily accessible inside or outside the building

Answer

At the utility meter only

Answer

In the basement only

Answer

Anywhere the homeowner prefers

Question 2

What does NEC 300.4(A)(1) require when NM cable passes through bored holes in wood framing members?

Accepted Answer

The hole must be at least 1.25 inches from the nearest edge of the wood member, or a steel nail plate must be used

Answer

No specific requirements

Answer

The cable must be in conduit through the wood

Answer

The hole must be centered exactly in the stud

Question 3

Per NEC 250.52, which of the following qualifies as a grounding electrode?

Accepted Answer

A 10-foot metal water pipe in direct contact with the earth

Answer

A gas pipe

Answer

A wooden fence post

Answer

Any metal object touching the ground

Question 4

What is the minimum burial depth for PVC conduit with GFCI protection installed under a residential lawn per NEC Table 300.5?

Accepted Answer

12 inches

Answer

6 inches

Answer

18 inches

Answer

24 inches

Question 5

Per NEC 210.8(F), GFCI protection is required for dishwasher branch circuits in dwelling units. What is the voltage and ampere range?

Accepted Answer

120V through 250V, 50A or less

Answer

120V, 15A only

Answer

240V, 30A only

Answer

All voltages and amperages

Question 6

What NEC article covers the requirements for swimming pool, fountain, and similar installation wiring?

Accepted Answer

Article 680

Answer

Article 422

Answer

Article 625

Answer

Article 700