Solutions
/. There are six conductors in a race way connected to 75° C rated circuit breaker. Each
wire has a 70 amp load using THHM conductors. The minimum size conductors used
our #_________AWG - Answer-✅4
/.Thermal insulation shall not be installed within _________inches of recessed lighting
fixtures - Answer-✅3
/.A 1 inch conduit contains three wire circuits or a phase system. All conductors are
number 10 TW. Each circuit consist of two phase conductors and one grounding
conductor and one equipment grounding conductor. The maximum and pasty of each
phase conductor is______. - Answer-✅24 amps
/.The volt Ampere rating of a device that consumes 14.5 A on a 240 V circuit is_____. -
Answer-✅3480watts
/.A 208 V, three phase heater draws 3598 W . How many campers does the heater
draw - Answer-✅10
/.The underwater light fixture shall be installed at least ________inches below the water
level - Answer-✅18
/.A general purpose receptacle shall not be installed on the_________ - Answer-
✅Offense directly south of the pool
/.A junction box for a 124 wet niche fixture shall be at least_______Inches above the
ground - Answer-✅4
/.A GFCI protected_______ receptacle for the pump motor May be installed on the
south side of the dwelling unit dedicated grounding type - Answer-✅Dedicated
receptacle
/.A metal fence installed within________Feet of a pool Shall be bonded - Answer-✅5
/.The feed to the wet niche fixture shall be installed in - Answer-✅Rigid brass
/.A 15 or 20 amp receptacle Shall be located within_____Feet of a rooftop air
conditioner - Answer-✅25
, /.In a commercial building the minimum size ungrounded service entrance conductor for
120 Dash 240 V single phase 200 amp service is - Answer-✅3/0 thwn copper
/.The minimum service for a one family dwelling Shall be - Answer-✅100amps
/.Type _____ Cable is not permitted for service entrance conductors - Answer-✅UF
/.A comb rated 4750 W , 208 V 3 phase draws ________ amps - Answer-✅13.2
/.Direct burial cable emerging from the ground and subject to physical damage shall be
installed in_________. - Answer-✅Schedule 80 PVC
/.A high impedance grounded system is limited to systems operating as _________volts
or above. - Answer-✅480
/.And expansion joint is required for non-metallic conduit when the temperature changes
for -15° to 105°F, the thermal expansion for 100 feet or rigid nonmetallic conduit
is________ inches - Answer-✅4.87
/.The voltage rating for communication cable shall not be less than________volts? -
Answer-✅300 V
/.The direction or rotation of a three phase motor can be reversed by and are changing
any________ leads - Answer-✅2
/.A(n) _________ Receptacle may be included on a small appliance branch circuit ? -
Answer-✅Electric clock/gas range
/.A light fixture that weighs more than _______pounds shall be supported independently
of the fixture junction box - Answer-✅50
/.Disconnecting means shall be provided on a supply side of all carriage fuses of any
voltage where? - Answer-✅Accessible to other than qualified persons
/.Furnaces shall be supplied by______________ Branch circuits? - Answer-✅Individual
/.A screw connecting the neutral bar or a grounded system to the service equipment
enclosure is called the_________? - Answer-✅Main bonding jumper
/.The minimum size rigid metal conduit for a commercial service rated for 150 A 120/240
V three wire single phase using THWN wire is______? - Answer-✅1 1/2