Good advice. I just want to clarify to everyone that in this case (a switch), both wires are hots and need to be taped and/or pigtailed with black or another color other than white, green, or gray.
You are not likely to get to good insulation below the cloth, so leave it in tack. This wiring was made before the 1950's, so it is rotten rubber insulation for sure. Actually, if you can see it, there is a colored string running thru the cloth to identify its color such as white or black.
--- In DoIt_Yourself@yahoogroups.com, Ron Johnson <l0c0l0b0@...> wrote:
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> I've come across this type of wiring a lot. Usually, I use white and black electrical tape on the wire as far back into the box as I can then wirenut a short length - about 9" - of white and black wire, tape the wire and wirenuts (something I always try to do anyway) then cram it all in the back of the box so that the new wire that I put in is the only wire I deal with.
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> That cloth is easy to fall apart in most cases I've come across. If there is any way to replace it, do so.
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> To: DoIt_Yourself@yahoogroups.com
> From: subprong@...
> Date: Wed, 13 Jun 2012 15:34:25 -0600
> Subject: [DIY] Replaced a light switch. Question. Photo.
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> I replaced a light switch. Photo at the link
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> http://groups.yahoo.com/group/DoIt_Yourself/photos/album/283632268/pic/1233258857/view
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> The wiring is old. I believe there is black casing over the wiring and then wrapped in that cloth sheathing. Any idea what that cloth is? Is it fire retardant?
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> The casing and cloth sheathing seem to be delicate. The wire is extremely stiff. The wire is exposed past the screw point on the light switch and might be resting on the plastic portion of the light switch. Do I need to wrap that area with electrical tape? If so, can I simply wrap the tape around the cloth sheathing and wiring or do I need to roll that sheathing back and wrap it around what I hope will be black casing surrounding the wire. Thanks.
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