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Question 1

If a circuit with 2 resistance loads in series what can be determine if the flowing the current flow through 1 resistance is known

Answer 1

Total circuit amperage

Question 2

On a balanced 3 phase WYE circuit how much return current will you have on the neutral

Answer 2

None

Question 3

A switch cabinet is rated at 600A.

Answer 3

Switch carry a maximum of 600A

Question 4

What is a circular mil

Answer 4

A unit of measure ment of cross section area

Question 5

The tape shielding on rubber cable can be used as a neutral

Answer 5

No

Question 6

A bad B contatact will make realy inoperable

Answer 6

No because it does not have to do with realy

Question 7

Function of b realy

Answer 7

Only indicator light in the monitoring system

Question 8

Purpose of oil in iso box

Answer 8

Insulate

Question 9

How is a thickness of insulation on a wire calculated

Answer 9

Insulation diameter minus the conductor

Question 10

When making a tape splice or repair How thick was the stress cone Be at it thick his point

Answer 10

Twice the thickness of insulation

Question 11

Parallel circuit

Answer 11

More then one path for current to flow

Question 12

Current is the transfer of what

Answer 12

Of one atom to another

Question 13

Measurement of resistance in a circuit

Answer 13

Ohms

Question 14

What causes a magnetic field to form around a conductor

Answer 14

Current flowing through a conductor

Question 15

Amount of current determines what of a conductor

Answer 15

The size of conductor needed

Question 16

Watts is produced by what

Answer 16

Volts and amp

Question 17

What must be done before cutting primary cable

Answer 17

De-energized, test, grounded at both ends and spiked

Question 18

Cts are used to reduce current for what

Answer 18

Metering

Question 19

Ct is part of what in the protector

Answer 19

Trip circuit

Question 20

What should be removed first on OH transformer

Answer 20

The secondary bushing so backfeed is not sent into transforme and cause high voltage thru primary bushing

Question 21

How to balance coils in shopping mall style protector

Answer 21

Shorten the coils or the relay should be blocked

Question 22

CLOR

Answer 22

Close, light, open ,reset

Question 23

Network protectors disgen to protect the system from what faults

Answer 23

Primary and transformer

Question 24

Typical generated voltages are

Answer 24

4kv,14kv,19,kv,21kv,

Question 25

Typical system primary voltage

Answer 25

2400/4160
7620/13200
14400/24940