Where underground service cables exit the trench and run up a utility pole to the transformer, the conductors must be protected from physical damage to a height of __________ feet above final grade.

a. 3
b. 8
c. 10
d. 12


b. 8

Trades & Technology

You might also like to view...

____ is a sedimentary rock derived from clays and silts.

A. Quartzite B. Shale C. Limestone D. Granite

Trades & Technology

Use the finished drawing from Problem P10–3 to complete this problem. Draw the required cut and fill for the construction of the proposed level road. The elevation of the road is 530?. The angle of repose for cut is 1 1/2:1 and for 2:1 fill.

What will be an ideal response?

Trades & Technology

Technician A says that spark knock (ping or detonation) can be caused by a lean air-fuel mixture. Technician B says that an inoperative cooling fan could cause the engine to spark knock. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology

What term best describes a liquid with a flash point below 140°F?

A) Radioactive B) Ignitable C) Corrosive D) Toxic

Trades & Technology