NCCER Module 6 -Device Boxes, Pull and
Junction Boxes Questions With Complete
Solutions
____ means constructed or protected so that
exposure to beating rain will not result in the
entrance of water under specified test conditions.
Correct Answers Raintight
**An extension ring is used to increase the ____ of
the box. Correct Answers depth
**For a straight pull, the minimum length of the
box must be at least ____ times the trade diameter
of the largest raceway. Correct Answers 8
**How many conductors(s) must be deducted for
each strap-mounted device in a device box?
Correct Answers Two
**Octagon and round boxes are used mostly for
____ Correct Answers Wall mounted lighting
fixtures
**The capacity of an outlet box can be increased
by using______. Correct Answers raised device
covers(extension rings)
, **When sizing outlet boxes, ____ conductor(s) must
be deducted for each strap mounted device.
Correct Answers 2
**When sizing outlet boxes, deduct ___
conductors(s) for each switch. Correct Answers 2
A box constructed or protected so that exposure to
the weather will not interfere with successful
operation is referred to as _____. Correct Answers
Weatherproof
A box constructed so that moisture will not enter
the enclosure under specified test conditions is
______. Correct Answers Watertight
A box designed and constructed to withstand an
internal explosion without creating an external
explosion or fire is called______. Correct Answers
Explosion-proof
A box installed under a roofed open porch is
considered a ____. Correct Answers damp location
A conductor under 12" (300 mm) long running
through a box counts as the conductor equivalent
of______. Correct Answers 1
A single-gang outlet box used for surface mounting
to enclose receptacles or wall switches on concrete
Junction Boxes Questions With Complete
Solutions
____ means constructed or protected so that
exposure to beating rain will not result in the
entrance of water under specified test conditions.
Correct Answers Raintight
**An extension ring is used to increase the ____ of
the box. Correct Answers depth
**For a straight pull, the minimum length of the
box must be at least ____ times the trade diameter
of the largest raceway. Correct Answers 8
**How many conductors(s) must be deducted for
each strap-mounted device in a device box?
Correct Answers Two
**Octagon and round boxes are used mostly for
____ Correct Answers Wall mounted lighting
fixtures
**The capacity of an outlet box can be increased
by using______. Correct Answers raised device
covers(extension rings)
, **When sizing outlet boxes, ____ conductor(s) must
be deducted for each strap mounted device.
Correct Answers 2
**When sizing outlet boxes, deduct ___
conductors(s) for each switch. Correct Answers 2
A box constructed or protected so that exposure to
the weather will not interfere with successful
operation is referred to as _____. Correct Answers
Weatherproof
A box constructed so that moisture will not enter
the enclosure under specified test conditions is
______. Correct Answers Watertight
A box designed and constructed to withstand an
internal explosion without creating an external
explosion or fire is called______. Correct Answers
Explosion-proof
A box installed under a roofed open porch is
considered a ____. Correct Answers damp location
A conductor under 12" (300 mm) long running
through a box counts as the conductor equivalent
of______. Correct Answers 1
A single-gang outlet box used for surface mounting
to enclose receptacles or wall switches on concrete
