endorsment exam

Question 1

maximimum voltage drop permitted to branch feeder

Answer 1

3%

Question 2

one of the objectives of grounding and bonding is to limit AC circuit voltages to ground to

Answer 2

150v

Question 3

for multi phase systems having one wire common to all phases the conductor to be grounded shall be

Answer 3

the identified neutral connector

Question 4

maximum voltage between 2 conductors on a 2 wire branch circuit

Answer 4

300v

Question 5

min distance nmsc from heating ducts

Answer 5

25mm or 1 inch

Question 6

edge of lumber add loomex none mattalic cable min distance

Answer 6

32mm

Question 7

m to floor withough protection on loomex nmd90

Answer 7

1.5m

Question 8

Distance between supports for bx cable

Answer 8

1.5m

Question 9

min distance for conductors to terminate outside of juction box

Answer 9

150mm or 6 inches

Question 10

min thickness of wood to mount a sectional box to

Answer 10

19mm

Question 11

plug fuses shall be rated not more than?

Answer 11

30 amps

Question 12

CLASS 2 CIRCUIT limited to how many volts

Answer 12

100v

Question 13

AWG size of class 2 thermostat wireing for forced air

Answer 13

19

Question 14

All electric power for a heating unit and associated equipment shall be obtained from

Answer 14

a single branch circuit for that purpouse only

Question 15

maximum supply voltage for a safety circuit for gas appliance

Answer 15

120v

Question 16

overload protection for manually started motors is not required when the motor is smaller than how many hp

Answer 16

1hp

Question 17

a motor disconect shall be installed within what distance from the furnace

Answer 17

9m

Question 18

how would you change the rotation of a three phase motor

Answer 18

all the above. change any leg

Question 19

when calculating currants that will result from loads expressed in watts or volt amps or supplied by low voltage AC system. the voltage divisors that shall be used shall be

Answer 19

120/240