NCCER MODULE 6 -DEVICE BOXES,
PULL AND JUNCTION BOXES FINAL
TEST 2026 QUESTIONS WITH
CORRECT ANSWERS GRADED A+
◍ NEC Scope.
Answer: Covers electrical conductors, equipment, and installations in public
and private buildings; does not cover railways, ships, aircraft, underground
mines, or utility-owned installations.
◍ Feeder.
Answer: All circuit conductors between the service equipment (or other
power source) and the final branch-circuit overcurrent device.
◍ All boxes must have a minimum...
Answer: Internal depth of 1/2"
◍ Outlet Box.
Answer: A metallic or nonmetallic box from which current is taken to
supply utilization equipment.
◍ Square boxes are typically available in 2 sizes.
Answer: 4" and 4 11/16"
◍ Junction Box.
Answer: An enclosure where conductors are spliced.
◍ Both sizes are available in 3 depths.
Answer: 1 1/4", 1 1/2" and 2 1/8"
◍ Pull Box.
Answer: An enclosure used to help pull conductors through conduit runs.
, ◍ Handy Box.
Answer: A single-gang surface-mounted outlet box.
◍ Connector.
Answer: A device used to connect conduit or cable to an outlet box, cabinet,
or enclosure.
◍ Explosion-proof Box.
Answer: A box designed to withstand an internal explosion without causing
an external explosion or fire.
◍ Raintight.
Answer: Constructed so beating rain will not result in water entering the
enclosure.
◍ If a deeper box is needed.
Answer: A square extension ring is used
◍ Watertight.
Answer: Constructed so water will not enter the enclosure under specified
test conditions.
◍ Weatherproof.
Answer: Constructed so weather exposure will not interfere with operation.
◍ Metal Boxes.
Answer: Must be grounded.
◍ Handy box.
Answer: A single gang box, also known as a utility box
◍ Masonry box (concrete box).
Answer: Special type of box is typically used in flat-slab construction jobs
◍ Junction Boxes.
Answer: Must be accessible and cannot be buried behind walls.
◍ Unused Openings.
Answer: Must be closed with knockout seals.
PULL AND JUNCTION BOXES FINAL
TEST 2026 QUESTIONS WITH
CORRECT ANSWERS GRADED A+
◍ NEC Scope.
Answer: Covers electrical conductors, equipment, and installations in public
and private buildings; does not cover railways, ships, aircraft, underground
mines, or utility-owned installations.
◍ Feeder.
Answer: All circuit conductors between the service equipment (or other
power source) and the final branch-circuit overcurrent device.
◍ All boxes must have a minimum...
Answer: Internal depth of 1/2"
◍ Outlet Box.
Answer: A metallic or nonmetallic box from which current is taken to
supply utilization equipment.
◍ Square boxes are typically available in 2 sizes.
Answer: 4" and 4 11/16"
◍ Junction Box.
Answer: An enclosure where conductors are spliced.
◍ Both sizes are available in 3 depths.
Answer: 1 1/4", 1 1/2" and 2 1/8"
◍ Pull Box.
Answer: An enclosure used to help pull conductors through conduit runs.
, ◍ Handy Box.
Answer: A single-gang surface-mounted outlet box.
◍ Connector.
Answer: A device used to connect conduit or cable to an outlet box, cabinet,
or enclosure.
◍ Explosion-proof Box.
Answer: A box designed to withstand an internal explosion without causing
an external explosion or fire.
◍ Raintight.
Answer: Constructed so beating rain will not result in water entering the
enclosure.
◍ If a deeper box is needed.
Answer: A square extension ring is used
◍ Watertight.
Answer: Constructed so water will not enter the enclosure under specified
test conditions.
◍ Weatherproof.
Answer: Constructed so weather exposure will not interfere with operation.
◍ Metal Boxes.
Answer: Must be grounded.
◍ Handy box.
Answer: A single gang box, also known as a utility box
◍ Masonry box (concrete box).
Answer: Special type of box is typically used in flat-slab construction jobs
◍ Junction Boxes.
Answer: Must be accessible and cannot be buried behind walls.
◍ Unused Openings.
Answer: Must be closed with knockout seals.
