From: Michael S. Dooley (firstname.lastname@example.org)
> Some years ago I noticed electricians using a putty-type substance
> to fill and seal holes around conduits containing the electric
> service lines coming into my home. I looked for and found this
> "stuff" in an electrical supply house.
> It has the consistency of modeling clay (which would
> probably be just as effective) and can be stuffed into
> any type opening.
I believe the stuff you mention is called 'dummy' (I know, I know). At
least that's the name I recall from my days pulling wires and bending
conduit. (and yes it's been a few).
> Norm, K2NF
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