Chapter 4 Wiring Systems
81
Grounded
Jacket
Grounding
Ungrounded
Ungrounded
Figure 4-12. This is typical nonmetallic sheathed cable
with two current-carrying conductors, a grounded
conductor, and a grounding conductor.
Measure 8″. Place the cable ripper over
the cable and press the
cutter into the jacket.
Slide the ripper to the end
of the cable. You should
be able to peel the jacket
off as shown.
Use a knife to cut the
jacket off the cable.
Always cut away from
your body.
Figure 4-13. Strip off about 8″ of outer covering from NM cable with a special knife or a cable ripper as shown.
Code Alert
Section 300.14
At least 6″ of free conductor, measured
from the point in the box where it emerges
from its raceway or cable sheath, shall be
left at each outlet, junction, and switch point
for splices or the connection of luminaires
(fi xtures) or devices. Where the opening to
an outlet, junction, or switch point is less than
8″ in any dimension, each conductor shall
be long enough to extend at least 3″ outside
the opening.
Romex: The trade name for NM cable invented by
General Cable. It has come into popular use when
referring to any brand of NM cable.