Unit 5 Conductor Sizes & Types, Wiring Method, Wire Connections, Voltage Drop, & Neutral Sizing Flashcards
1
Q
A
2
Q
Guard strips are not required of the cable is run along the sides of rafters, studs, or floors joists
-provided rule 12-516 1) 2)
A
3
Q
Running board & guard strip may interfere with attic or roof space so cables can run through side of joist instead (holes)
-must be 38 mm x 38 mm (running board & guard strip)
A
4
Q
CEC permits NMD-90 cable to be installed in joist and stud spaces (but only at right angles to it’s long dimensions)
CEC permits EMT & rigid metal conduit
-open or concealed work
buried in concrete or masonry (certain provisions)
-combustible or non-combustible construction
-generally EMT supported within 1 m of each box or fitting & at 1.5 m intervals
A
5
Q
Conduit knockouts
A
6
Q
A
