Code requirements.

Question 1

2. IAFI?

Answer 1

International Assosiasion of Electrical Inspectors.

Question 2

3. NEC?

Answer 2

National Electrical Code.

Question 3

4. NEMA?

Answer 3

National Electrical Manufacture Assosiation.

Question 4

5. NTRL?

Answer 4

Nationally recognized testing laboratory as UL or CSA.

Question 5

6. What is a measure of the frequency of alternative current in North America?

Answer 5

60 Hertz.

Question 6

7. What pipe can be used as grounding electrode?

Answer 6

1. Metal water pipe if >=10 feet in contact with soil.
2. Underground gas pipe not OK as electrode.
3. Water pipe can not be only electrode.

Question 7

1. CSA?

Answer 7

Canadian Standards Assosiasion.