Electric Mid Term

Question 1

What does NEMA stand for?

Answer 1

National Electrical Manufacturers Association

Question 1

What does IEC stand for?

Answer 1

International Electrotechnical Commission

Question 1

What are NEMA contactors sized using?

Answer 1

Horsepower

Question 1

How are IEC relays sized?

Answer 1

Numbers

Question 1

What are the rings of magnetism called around the wire?

Answer 1

Lines of flux.

Question 1

What does BOY stand for?

Answer 1

Brown, Orange, Yellow

Question 2

In BOY, what does Brown refer to?

Answer 2

Brown wire, 1 phase

Question 3

In BOY, what does O stand for?

Answer 3

Orange wire, 2 Phase

Question 4

In BOY, what does Y stand for?

Answer 4

Yellow wire, 3 Phase

Question 5

What is the unit of capacitance?

Answer 5

Farad (F)

Question 6

What is the name of typical wire used in residential?

Answer 6

Romex

Question 7

What is AWG?

Answer 7

American Wire Gauge.

Question 8

What gauge is white romex?

Answer 8

14 AWG

Question 9

What size breaker do we use for white romex wire?

Answer 9

15 AMP (Rated for 20 AMP)

Question 10

What gauge is yellow romex wire?

Answer 10

12 AWG

Question 11

What breaker do we use for yellow romex wire?

Answer 11

20 AMP (Rated for 25 AMP)

Question 12

What gauge is orange romex wire?

Answer 12

10 AWG

Question 13

What breaker do we use for orange romex wire?

Answer 13

30 AMP (Rated for 35 AMP)

Question 14

What does NEC stand for?

Answer 14

National Electric Code

Question 15

What ohmic value shows continuity?

Answer 15

0.1 Ohms or above

Question 16

What is a load center?

Answer 16

The central location which distributes power.

Question 17

What is the maximum number of receptacles on a 20 amp 120V circuit?

Answer 17

10

Question 18

What color screw is used for hot connections?

Answer 18

Gold

Question 19

What color screw is used for neutral connections?

Answer 19

Silver

Question 20

What color screw is used for ground connections?

Answer 20

Green

Question 21

Which side of a GFCI is protected?

Answer 21

Load side

Question 22

Which side of a GFCI is not protected?

Answer 22

Line side

Question 23

What does GFCI stand for?

Answer 23

Ground Fault Circuit Interuptor

Question 24

What should you do before making any electrical repair?

Answer 24

Check for source voltage

Question 25

What is bonding?

Answer 25

Landing neutral and ground connections together.

Question 31

Difference to trip gfci

Answer 31

3-5 milli amps (mA)