1. A junction box from which power to a rooftop air conditioner unit is
supplied is likely to be a Nema Type Enclosure
ANS Type 3
2. An IP54 enclosure is the equivalent of a Nema type enclosure
ANS 13
3. Emt used in a damp location would require the use of fittings
ANS com- pression
4. Any ungrounded conductor No. 4 AWG or larger must be protected by an
at the point of entry to a raceway, box, or eonclosure
ANS insulating bushing
5. A myers hub contains this important componet
ANS O-ring
6. A junction box installed in a circuit under 200 volts can be enclosed
within a finished wall
ANS false
7. In a straight pull application that is less than 1000 volts the largest trade
size conduit used is 3''. What is the minimum junction box length that can
1/
, be used?
ANS 24''
8. Straight pull boxes containing shielded cables have to be longer
than straight pull boxes containing unshielded cables
ANS true
9. A type C conduit body can be used at a perpendicular (right angle)
intersec- tion of two conduit runs
ANS false
10. A type x
conduit body be used at the intersection of conduit runs
ANS -
four
11.An entrance ell (SLB) is built with a(n)
ANS offset
12.An underground cable entering a handhole enclosure must be
mechani- cally connected to the enclosure
ANS false
13.A handhole enclosure may be constructed of any of the following
materials except
2/
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