I was wondering if someone could refresh my memory, I removed a rework
4" figure box from my wall to prep for a lighted medicine cabanet
installion and found a part of the remaining cable was damaged by who
made the orginal hole in the wall. After removing the wad of black
tap around the out jacket, it appears to nm-b, I found the ungrounded
and grounded conductor missing pieces of their insulation. (God was
watching over this house since no fires resulted).
I trimmed back the sheath and repair the insulation with some
electrical tape and soon will be installing a new rework box allowing
me more access to the cable and repair with heat-shrink. Where in the
US NEC does using electrical tape and heat shrink for insulation
Hmmmm..... so if there is no requirements needed for repairing
insulation, this might explain why the previous person who did the
instullation just taped up the sheath with exposed conductors inside.
tom @ www.FreelancingProjects.com
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