Level 3 NETA ETT Electrical Testing Technician Certification
Exam 2025/ NETA ETT LEVEL 3 Certification Test 2025 With
310 Questions With Correct Answers And Detailed
Rationales/ Neta Ett Certified Level 3 Exam
What type solderless connector is usually used for splicing larger conductors such as #8 AWG
through 4/0 (0000) AWG sizes? (A) wire nut (B) crimped connector (C) split-bolt connector (D) any of
these - ANSWER-(C) split-bolt connector
How may conductors are split-bolt connectors usually designed to connect? (A) ! (B) 2 (C)3 (D) as
many as you want - ANSWER-(B) 2
How thick is the electrical tape to be on a split-bolt connector?
A) the same thickness as the conductor insulation
B) at least one wrap
C) at least 3 wraps
D) twice as thick as the conductor insulation - ANSWER-(A) the same thickness as the conductor
insulation
The most common type of receptacle used in residential installations for General purpose circuits is
the what?
C) duplex receptacles
D) single receptacles
A) 220 volt receptacles
B) individual receptacles - ANSWER-C) duplex receptacles
What is a receptacle that consists of two halves each designed receive a three contact plug? (A) 220
volt receptacle (B) individual receptacle (C) duplex receptacle (D) single receptacle - ANSWER-(C)
duplex receptacle duplex
,What contact on a duplex receptacle receives the hot conductor? (A) short contact (B) medium
contact (C) long contact (D) U shaped contact - ANSWER-(A) short contact
What contact on a duplex receptacle receives the grounded circuit conductor? (A) short contact (B)
medium contact (C) long contact (D) U shaped contact - ANSWER-(C) long contact
What contact on the duplex receptacle receives the grounding conductor? (A) short contact (B)
medium contact (C ) long contact (D) U shaped contact - ANSWER-(D) U shaped contact
The long contact on the duplex receptacle is connected to the what color terminal and wire? (A)
green ground screw & green wire (B) silver screw & black wire (C) bronze screw & white wire (D)
silver screw & white wire - ANSWER-(D) silver screw & white wire
The short contact slot on the duplex receptacle is connected to what color screw and wire? (A)
bronze screw & white wire (B) silver screw & black wire (C) bronze screw & black wire (D) both A & C
- ANSWER-(C) bronze screw & black
The U shaped grounding contact on the duplex receptacle is connected to what color wires
A) green screw & bare wire (B) green screw & green wire (C) green screw & green & yellow striped
wire (D) all of these - ANSWER-(D) all of these
What color screw & slot is usually located in the lower hąlf of the duplex receptacle? (A) green screw
& short slot" (B) silver screw & U slot (C) green screw & U slot (D) both A & C - ANSWER-(C)
green screw & U slot
What are located between the two halves of the duplex receptacles? (A) mounting strap (B)
connecting tabs (C) cable support straps (D) solderless connectors - ANSWER-B) connecting tabs
What is located at the top & bottom of the receptacle & are used to attach the device to the outlet
box? (A) mounting straps (B) connecting tabs (C) cable connector (D) screw connectors -
ANSWER-(A) mounting straps
,What is located both on front & back of the device indicating the maximum voltage & amperage
rating for the receptacle? (A) USA listing (B) NEC rating (C) amperage & voltage rating (D) all of these -
ANSWER-(C) amperage & voltage rating
What stamp is placed on the receptacle to insure the receptacle meets industry standards? (A) NEC
Label (B) UL label (underwriters laboratories) (C) NEC rated (D) all the above - ANSWER-(B) UL
label (underwriters laboratories)
What can be used when back wiring a receptacle? (A) pull-in fittings (B) pull-out fittings (C) push-in
fittings (D) push-in connectors - ANSWER-(C) push-in fittings
What word will appear on the side of the receptacle that receives the grounded circuit conductor?
(A) silver (B) white (C) bronze (D) green - ANSWER-(D) green
What is on the back of a receptacle & is used to measure the correct amount of insulation be
removed from the conductors?
A) UL gauge (B) strip gauge (C) pigtail gauge (D) NEC gauge - ANSWER-(B) strip gauge
What is stated on the receptacle indicates the maximum conductor size to be used with the
receptacle?
A) conductor sizing (B) conductor rating (C) wire rating (D) AWG rating - ANSWER-B) conductor
rating
What is stamped on the receptacle to indicate the receptacle may be used only with copper
conductors? (A) CO (B) COP (C) CU (D) CP - ANSWER-(C) CU
What stamped on an electrical device (i.e. a receptacle, etc.) indicates it may be used only with
copper clad aluminum conductors? (A) CO-clad only (B) CU-clad only (C) COP-clad only (D) C-A only -
ANSWER-(B) CU-clad only
What stamped on an electrical device (such as a receptacle, etc.) indicates it may be used with either
copper or copper clad aluminim comductors?
A) CU-AL (B) CO-ALM (C) CU/A (D) CO/ALR - ANSWER-(D) CO/ALR
, The NEC no longer permit's the use of receptacles marked how? (A) AL/CU (aluminum/copper) (B)
CO/ALR (copper/copper clad aluminum) (C) CU (copper only) (D) CU (clad only)(copper clad
aluminum only) - ANSWER-A) AL/CU (aluminum/copper)
What are the ways to connect conductors to duplex receptacle terminals? (A) screws only (B) push in
terminals or terminal holes (C) mechanical terminal screws and terminal holes (aka- push in
terminals) (D) wire nuts - ANSWER-C) mechanical terminal screws and terminal holes (aka- push
in terminals)
What is used when a receptacle is "backwired"? (A) terminal holes (push in terminals) (B) back
terminal screws (C ) terminal screws located on the sides (D) wire nuts and pigtail splices -
ANSWER-(A) terminal holes (push in terminals)
While the NEC approves the use of backwired receptacles it also states that backwired receptacles?
(A) may be used only on series circuits (B) al 4 hoies must have wire in them (C) shall not be the
means of continuing the circuit (D) may only be used on feeder circuits - ANSWER-C) shall not be
the means of continuing the circuit
If a backwired receptacle is in the middle of the circuit, what must be used to ensure if this
receptacle goes out, the circuit will continue to work?
A) put the 2 hot and 2 ground in the 4 holes (B) put 1 hot and 1 ground in holes and use a pigtail and
wire nut to continue
C) pigtail only the hot wires
D) pigtail only the ground wires - ANSWER-(C) shall not be the means of continuing the circuit
What electrical device is equipped with 2 outlets and 2 sets of terminals? (A) dryer outlet (B) range
outlet (C) duplex receptacle (D) direct wire outlet - ANSWER-(C) duplex receptacle
What is created when the connector tab is removed between the brass terminal screws of a duplex
receptacle? (A) single receptacle (B) mono receptacle (C) Quadra receptacle (D) split wired receptacle
- ANSWER-(D) split wired receptacle
Exam 2025/ NETA ETT LEVEL 3 Certification Test 2025 With
310 Questions With Correct Answers And Detailed
Rationales/ Neta Ett Certified Level 3 Exam
What type solderless connector is usually used for splicing larger conductors such as #8 AWG
through 4/0 (0000) AWG sizes? (A) wire nut (B) crimped connector (C) split-bolt connector (D) any of
these - ANSWER-(C) split-bolt connector
How may conductors are split-bolt connectors usually designed to connect? (A) ! (B) 2 (C)3 (D) as
many as you want - ANSWER-(B) 2
How thick is the electrical tape to be on a split-bolt connector?
A) the same thickness as the conductor insulation
B) at least one wrap
C) at least 3 wraps
D) twice as thick as the conductor insulation - ANSWER-(A) the same thickness as the conductor
insulation
The most common type of receptacle used in residential installations for General purpose circuits is
the what?
C) duplex receptacles
D) single receptacles
A) 220 volt receptacles
B) individual receptacles - ANSWER-C) duplex receptacles
What is a receptacle that consists of two halves each designed receive a three contact plug? (A) 220
volt receptacle (B) individual receptacle (C) duplex receptacle (D) single receptacle - ANSWER-(C)
duplex receptacle duplex
,What contact on a duplex receptacle receives the hot conductor? (A) short contact (B) medium
contact (C) long contact (D) U shaped contact - ANSWER-(A) short contact
What contact on a duplex receptacle receives the grounded circuit conductor? (A) short contact (B)
medium contact (C) long contact (D) U shaped contact - ANSWER-(C) long contact
What contact on the duplex receptacle receives the grounding conductor? (A) short contact (B)
medium contact (C ) long contact (D) U shaped contact - ANSWER-(D) U shaped contact
The long contact on the duplex receptacle is connected to the what color terminal and wire? (A)
green ground screw & green wire (B) silver screw & black wire (C) bronze screw & white wire (D)
silver screw & white wire - ANSWER-(D) silver screw & white wire
The short contact slot on the duplex receptacle is connected to what color screw and wire? (A)
bronze screw & white wire (B) silver screw & black wire (C) bronze screw & black wire (D) both A & C
- ANSWER-(C) bronze screw & black
The U shaped grounding contact on the duplex receptacle is connected to what color wires
A) green screw & bare wire (B) green screw & green wire (C) green screw & green & yellow striped
wire (D) all of these - ANSWER-(D) all of these
What color screw & slot is usually located in the lower hąlf of the duplex receptacle? (A) green screw
& short slot" (B) silver screw & U slot (C) green screw & U slot (D) both A & C - ANSWER-(C)
green screw & U slot
What are located between the two halves of the duplex receptacles? (A) mounting strap (B)
connecting tabs (C) cable support straps (D) solderless connectors - ANSWER-B) connecting tabs
What is located at the top & bottom of the receptacle & are used to attach the device to the outlet
box? (A) mounting straps (B) connecting tabs (C) cable connector (D) screw connectors -
ANSWER-(A) mounting straps
,What is located both on front & back of the device indicating the maximum voltage & amperage
rating for the receptacle? (A) USA listing (B) NEC rating (C) amperage & voltage rating (D) all of these -
ANSWER-(C) amperage & voltage rating
What stamp is placed on the receptacle to insure the receptacle meets industry standards? (A) NEC
Label (B) UL label (underwriters laboratories) (C) NEC rated (D) all the above - ANSWER-(B) UL
label (underwriters laboratories)
What can be used when back wiring a receptacle? (A) pull-in fittings (B) pull-out fittings (C) push-in
fittings (D) push-in connectors - ANSWER-(C) push-in fittings
What word will appear on the side of the receptacle that receives the grounded circuit conductor?
(A) silver (B) white (C) bronze (D) green - ANSWER-(D) green
What is on the back of a receptacle & is used to measure the correct amount of insulation be
removed from the conductors?
A) UL gauge (B) strip gauge (C) pigtail gauge (D) NEC gauge - ANSWER-(B) strip gauge
What is stated on the receptacle indicates the maximum conductor size to be used with the
receptacle?
A) conductor sizing (B) conductor rating (C) wire rating (D) AWG rating - ANSWER-B) conductor
rating
What is stamped on the receptacle to indicate the receptacle may be used only with copper
conductors? (A) CO (B) COP (C) CU (D) CP - ANSWER-(C) CU
What stamped on an electrical device (i.e. a receptacle, etc.) indicates it may be used only with
copper clad aluminum conductors? (A) CO-clad only (B) CU-clad only (C) COP-clad only (D) C-A only -
ANSWER-(B) CU-clad only
What stamped on an electrical device (such as a receptacle, etc.) indicates it may be used with either
copper or copper clad aluminim comductors?
A) CU-AL (B) CO-ALM (C) CU/A (D) CO/ALR - ANSWER-(D) CO/ALR
, The NEC no longer permit's the use of receptacles marked how? (A) AL/CU (aluminum/copper) (B)
CO/ALR (copper/copper clad aluminum) (C) CU (copper only) (D) CU (clad only)(copper clad
aluminum only) - ANSWER-A) AL/CU (aluminum/copper)
What are the ways to connect conductors to duplex receptacle terminals? (A) screws only (B) push in
terminals or terminal holes (C) mechanical terminal screws and terminal holes (aka- push in
terminals) (D) wire nuts - ANSWER-C) mechanical terminal screws and terminal holes (aka- push
in terminals)
What is used when a receptacle is "backwired"? (A) terminal holes (push in terminals) (B) back
terminal screws (C ) terminal screws located on the sides (D) wire nuts and pigtail splices -
ANSWER-(A) terminal holes (push in terminals)
While the NEC approves the use of backwired receptacles it also states that backwired receptacles?
(A) may be used only on series circuits (B) al 4 hoies must have wire in them (C) shall not be the
means of continuing the circuit (D) may only be used on feeder circuits - ANSWER-C) shall not be
the means of continuing the circuit
If a backwired receptacle is in the middle of the circuit, what must be used to ensure if this
receptacle goes out, the circuit will continue to work?
A) put the 2 hot and 2 ground in the 4 holes (B) put 1 hot and 1 ground in holes and use a pigtail and
wire nut to continue
C) pigtail only the hot wires
D) pigtail only the ground wires - ANSWER-(C) shall not be the means of continuing the circuit
What electrical device is equipped with 2 outlets and 2 sets of terminals? (A) dryer outlet (B) range
outlet (C) duplex receptacle (D) direct wire outlet - ANSWER-(C) duplex receptacle
What is created when the connector tab is removed between the brass terminal screws of a duplex
receptacle? (A) single receptacle (B) mono receptacle (C) Quadra receptacle (D) split wired receptacle
- ANSWER-(D) split wired receptacle
