Misc Knowledge

Question 1

What color endo is 10 Stranded?

Answer 1

Brown

Question 2

What color endo is 8 solid?

Answer 2

Brown

Question 3

What color endo is 8 stranded?

Answer 3

Green

Question 4

What color endo is 6 solid?

Answer 4

Green

Question 5

What color endo is 6 stranded?

Answer 5

Blue

Question 6

What color endo is 4 solid?

Answer 6

Blue

Question 7

What color endo is 4 stranded?

Answer 7

Orange

Question 8

What color endo is 2 solid?

Answer 8

Orange

Question 9

What color endo is 2 stranded?

Answer 9

Red

Question 10

What color endo is 1 solid?

Answer 10

Red

Question 11

What color endo is 1/0?

Answer 11

Yellow

Question 12

What are ComEd’s primary voltages?

Answer 12

4, 12, 34.5 kv

Question 13

What voltage is 4 kv to grd?

Answer 13

2.4 kv

Question 14

What voltage is 12 kv?

Answer 14

7.2 kv, 6.9 kv in the city

Question 15

What voltage is 34 kv to ground

Answer 15

19.4 kv

Question 16

How many ground connections on a single phase transformer?

Answer 16

7

Question 17

What are all the ground connections on a single phase transformer?

Answer 17

Primary neutral, secondary neutral, secondary ground strap, tank ground, arrestor ground, interconnect, acorn/ground rod

Question 18

How many different secondary voltages does ComEd have?

Answer 18

6

Question 19

What are the secondary voltages that ComEd has?

Answer 19

120/240
120/240 w/ 208 high leg
120/208
240/480
277/480
480

Question 20

What is phase to grd MAD for 50-300v?

Answer 20

Avoid Contact

Question 21

What is phase to phase MAD for 50-300v?

Answer 21

Avoid Contact

Question 22

What is phase to grd MAD for 480v?

Answer 22

1”1’

Question 23

What is phase to phase MAD for 480v?

Answer 23

1”1’

Question 24

What is phase to grd MAD for 2-15kv?

Answer 24

2’2”

Question 25

What is Phase to Phase MAD for 2-15kv?

Answer 25

2’3”

Question 26

What is phase to grd MAD for 34kv?

Answer 26

2’6”

Question 27

What is phase to phase MAD for 34kv?

Answer 27

2’11”

Question 28

What is phase to grd MAD for 69kv?

Answer 28

3’3”

Question 29

What is phase to phase MAD on 69kv?

Answer 29

3’11”

Question 30

What is phase to grd MAD on 138kv?

Answer 30

3’7”

Question 31

What is phase to phase MAD on 138kv?

Answer 31

4’11”

Question 32

What is phase to grd MAD for 345kv?

Answer 32

8’6”

Question 33

What is phase to phase MAD for 345kv?

Answer 33

12’6”

Question 34

What is phase to grd MAD on 765kv?

Answer 34

14’11”

Question 35

What is phase to phase MAD on 765kv?

Answer 35

26’

Question 36

What are the rules for picking out a transformer for when you need to parallel?

Answer 36

Same primary voltage, same secondary voltage, same primary phase & feeder, similar size kva within 2 sizes larger only, similar impedance

Question 37

What is the neutral size on a 1/0 service?

Answer 37

2 stranded

Question 38

What is the neutral size on a 4 solid service?

Answer 38

4 stranded

Question 39

What size is the neutral on a 4 stranded service?

Answer 39

6 solid copper neutral

Question 40

What size neutral is on street light wire?

Answer 40

4 stranded

Question 41

If your service has a 2 stranded neutral what size are the phases?

Answer 41

1/0

Question 42

If you have a 4 stranded neutral what size are your phases?

Answer 42

4 solid

Question 43

If your neutral is 6 solid copper what size are your phases?

Answer 43

4 stranded

Question 44

What size phase is street light wire?

Answer 44

6 solid