[Collins] Grounding attachments S-1 line

[Glen Zook]

Even back in 1965 NFPA NEC (commonly referred to as
the National Electric Code) required that any wiring
that was to be encased in poured concrete had to be in
conduit and not in direct contact with the concrete.

Thus, if your area was "up to date" with the NEC then
your wiring should be in conduit even though it is
within the poured concrete.  If so, then it should be
possible to use the existing wiring as a "pull cable"
and then pull the 3-wire through the conduit.  You may
have to use individual wire rather than "non-metallic
sheath" (commonly called "Romex") and use stranded
wire (not much more expensive than solid of the same
gauge) since it is easier to get through conduit.

Often the poured concrete got into the ends of the
conduit and has to be broken out from inside. 
However, this is usually only for an inch, or so. 
Then you can actually see the conduit.

If the contractor was allowed by the inspector not to
use conduit, then either the local code was many years
behind the current NEC or else maybe the inspector got
a little gratuity on the side!  In that case, you do
have a real problem!

Glen, K9STH


--- Jim Isbell <millenniumfalcon at cableone.net> wrote:

All the wiring is 2 wire except for a couple of wall
plugs.  I have often wanted to rewire the house but it
cannot be done economically since the wires are
"poured in"  They cannot be pulled out!!!
 
Is there any way to make a two wire system safe at all
times???  Details please.

=====
Glen, K9STH

Web sites

http://home.comcast.net/~k9sth
http://home.comcast.net/~zcomco


	
		
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