Residential Electrical Services
Practical Exam/35 Questions
and Answers/100% Correct!!
Which of that following locations at dwelling units require GFCI
protection? - -Receptacles within gaarages
-Which type of cable with a corrugated sheath has a maximum bend
raduis of 7 times the cable diameter? - -Type MC
-Which of the following circuits require a minimum of 20A of
overcurrent protection? - -Residential small appliance branch circuits
-According to the NEC, which of the following is required for the small
appliance loads in each kitchen area? - -Two 120V, 20A small appliance
branch circuits
-According to NEC Section 220.53, loads for which of the following
appliances shall be permissible to apply a demand factor of 75%? - -
Fixed appliances
-The NEC allows the load calculation for the ground neutral conductor
supplying electric ranges and dryers to have a demand factor of ______. -
-70%
-Which of the following is required to carry the lighting load for the
residence in the figure above? - -Two 15A circuits
-How many square feet of livable space are in the home in figure
above? - -1,200
-Which of the following is the minimum NEC lighting load requirement
for the home in the figure above? - -3,600VA
-Which of the following is an NEC-approved grounding electrode? - -
Metal underground water pipe in direct contact with the earth for 10
feet
-The minimum clearance of service drop conductors over a residential
driveway is reduced to 12 feet when the voltage is limited to ________. - -
300V to ground
-The section of the NEC that lists the requirements for installing service
disconnecting means is ______. - -NEC Section 230.70
-Romex is a trade name for _____. - -Type NM cable
Practical Exam/35 Questions
and Answers/100% Correct!!
Which of that following locations at dwelling units require GFCI
protection? - -Receptacles within gaarages
-Which type of cable with a corrugated sheath has a maximum bend
raduis of 7 times the cable diameter? - -Type MC
-Which of the following circuits require a minimum of 20A of
overcurrent protection? - -Residential small appliance branch circuits
-According to the NEC, which of the following is required for the small
appliance loads in each kitchen area? - -Two 120V, 20A small appliance
branch circuits
-According to NEC Section 220.53, loads for which of the following
appliances shall be permissible to apply a demand factor of 75%? - -
Fixed appliances
-The NEC allows the load calculation for the ground neutral conductor
supplying electric ranges and dryers to have a demand factor of ______. -
-70%
-Which of the following is required to carry the lighting load for the
residence in the figure above? - -Two 15A circuits
-How many square feet of livable space are in the home in figure
above? - -1,200
-Which of the following is the minimum NEC lighting load requirement
for the home in the figure above? - -3,600VA
-Which of the following is an NEC-approved grounding electrode? - -
Metal underground water pipe in direct contact with the earth for 10
feet
-The minimum clearance of service drop conductors over a residential
driveway is reduced to 12 feet when the voltage is limited to ________. - -
300V to ground
-The section of the NEC that lists the requirements for installing service
disconnecting means is ______. - -NEC Section 230.70
-Romex is a trade name for _____. - -Type NM cable
