General

Question 1

Backfeed

Answer 1

Voltage supply from the load side

Question 2

Neutral

Answer 2

Current carrying conductor at or near ground potential that acts as a return for unbalanced load

Question 3

Transformer

Answer 3

Electrical ratio device that works on the principle of mutual induction, that bucks or boosts primary voltage to the secondary voltage.

Question 4

Orange

Answer 4

4 ACSR

Question 5

ACSR

Answer 5

Aluminum Conductor Steel Reinforced

Question 6

AAC

Answer 6

All Aluminum Conductor

Question 7

Red

Answer 7

2 ACSR

Question 8

Yellow

Answer 8

1/0 ACSR

Question 9

Blue

Answer 9

6 ACSR

Question 10

What to do first before heating up a new service?

Answer 10

Check voltages on transformer

Question 11

Which way does the pole brand face on a dead end?

Answer 11

Away from the strain of the conductor wires.

Question 12

Purpose of a lightning arrestor?

Answer 12

To divert over voltage from the main system

Give voltage surge a path to ground

Question 13

Why do we make our neutral connections first, always?

Answer 13

So linemen and equipment are protected

To avoid severe fluctuations in voltage to consumer.

Question 14

4 ways of cooling a transformer?

Answer 14

1. Mineral oil
2. Air
3. Fins
4. Fan

Question 15

What size secondary leads are required for a 25 Kva transformer?

50 Kva?

Answer 15

2 Stranded

4/0

Question 16

When is a fault indicator activated?

Answer 16

When it detects a constant fault

When it is in a over current situation

Question 17

4 methods of sagging wire

Answer 17

1. Line of sight
2. Sag scope
3. Dyno
4. Corn field

Question 18

3 methods of testing rubber gloves

Answer 18

1. Water
2. Air
3. Visual

Question 19

What must be done before climbing above a de-energized transformer?

Answer 19

Isolate the secondaries to avoid any potential backfeeding

Question 20

What is a guy breakers (fish) purpose?

Answer 20

Public protection

Question 21

What does PCB stand for?

Answer 21

PolyChlorinated Biphenils

Question 22

On underground cable, the voltage rating is based on what?

Answer 22

Depth of insulation

Question 23

What does raking a pole mean?

Answer 23

Plumbing the pole against tension

Question 24

When dressing out a cutout, what do you need?

Answer 24

4 Bird Wire

Question 25

Pupi Arm mounting spacing?

Answer 25

12”