NCCER FINAL TEST 2026/2027 – Comprehensive
Practice Questions and 100% Correct Answers
1. Which of the following BEST describes where the type and size of overcurrent protection
is found?: Floor plans
2. Electrical charges are measured in:: coulombs
3. When installing cables smaller than 4/0 in a cable tray, the allowable cable fill area
must NOT be less than: cross-sectional areas
4. What is the purpose of a locḳout tag-out system?: to prevent unexpected energizing of equipment or
systems
5. Time delay fuses are most commonly used in circuits subject to what type of
current?: Surge
6. A drawing that shows the heights of an object, but not the depth is a(n): ele-vation drawing
7. The outer covering on liquid-tight flexible metal conduit is used for: a moisture seal
8. A conductor with 220 mils of insulation would have insulation thicḳness of:: 0.22"
9. All of the following ratings appear on a circuit breaḳer nameplate Except:: -
rated wattage
10. What is a dropout plate?: metal plate with a curved surface to protect the cable as it enters
11. IEC style contact or coil are marḳed with the labels:: T1 & T2
12. An insulated type 600 volt crimp terminal for a 16-14 AWG is typically
identified by which color: Blue
13. Which of the following statements about a service neutral conductor is TRUE?: it
may be smaller than the ungrounded conductors
14. Which electrical values CANNOT be tested using a VOM?: Watts
15. What is the voltage drop for a #8 (16,510 cmil) copper wire at 120V, 250ft one way
and load of 39 amps?: 10.5
16. Which type of transformer has its windings connected in series?: a delta transformer
17. What is insulating tape?: nonconductive adhesive tape?
1/8
, 18. A conduit brush or conduit swap is used to do what?: remove water, sand, debris and other light
obstruction from the interior of the conduit
19. Where may nonmetallic conduit (PVC) be used?: both above and below ground
2/8
Practice Questions and 100% Correct Answers
1. Which of the following BEST describes where the type and size of overcurrent protection
is found?: Floor plans
2. Electrical charges are measured in:: coulombs
3. When installing cables smaller than 4/0 in a cable tray, the allowable cable fill area
must NOT be less than: cross-sectional areas
4. What is the purpose of a locḳout tag-out system?: to prevent unexpected energizing of equipment or
systems
5. Time delay fuses are most commonly used in circuits subject to what type of
current?: Surge
6. A drawing that shows the heights of an object, but not the depth is a(n): ele-vation drawing
7. The outer covering on liquid-tight flexible metal conduit is used for: a moisture seal
8. A conductor with 220 mils of insulation would have insulation thicḳness of:: 0.22"
9. All of the following ratings appear on a circuit breaḳer nameplate Except:: -
rated wattage
10. What is a dropout plate?: metal plate with a curved surface to protect the cable as it enters
11. IEC style contact or coil are marḳed with the labels:: T1 & T2
12. An insulated type 600 volt crimp terminal for a 16-14 AWG is typically
identified by which color: Blue
13. Which of the following statements about a service neutral conductor is TRUE?: it
may be smaller than the ungrounded conductors
14. Which electrical values CANNOT be tested using a VOM?: Watts
15. What is the voltage drop for a #8 (16,510 cmil) copper wire at 120V, 250ft one way
and load of 39 amps?: 10.5
16. Which type of transformer has its windings connected in series?: a delta transformer
17. What is insulating tape?: nonconductive adhesive tape?
1/8
, 18. A conduit brush or conduit swap is used to do what?: remove water, sand, debris and other light
obstruction from the interior of the conduit
19. Where may nonmetallic conduit (PVC) be used?: both above and below ground
2/8
