Service Requirements - Section 6

Question 1

When is a mast required for a consumer’s service?

Answer 1

When conductors need to be raised to meet clearance requirements.

Question 2

How far below a service head must supply conductors be mounted?

Answer 2

150-300 mm

Question 3

What is the difference between hot and cold sequence metering?

Answer 3

The location of the meter.

• Hot sequence meter is mounted on the supply side of the service box.
• Cold sequence meter is mounted on the consumers side of the service box.

Question 4

What is a bypass means?

Answer 4

A device which allows a meter to be removed from the base without disconnecting the load from the source.

Question 5

All service equipment must be installed in an area satisfactory to whom?

Answer 5

1. Supply authority
2. Inspection authority.

Question 6

Must underground service conductors be suitable for wet locations?

Answer 6

Yes.

Question 7

What are two benefits to underground services?

Answer 7

1. A more attractive community.
2. Fewer maintenance problems.

Question 8

When discussing residential service mast dimensions, what is an invaluable resource?

Answer 8

6-112(4) appendix b.

Question 9

May a residential service box be an integral part of a panelboard?

Answer 9

In a combination panelboard.

Question 10

What three parts make up a residential service?

Answer 10

1. Supply service.
2. Consumer’s service.
3. Service box.