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Re: capacitance of homemade caps

Original poster: Ed Phillips <evp@xxxxxxxxxxx>

Well there are crappy grounds, and then there are crappy grounds
(couldn't resist)! But seriously, most household waste water pipes
these days are PVC. Not sure what they are under the streets, but it's
not clear that they'd be metallic. Cold water supply pipes are much
more likely to connect to a ground-worthy buried metal pipe.

Gary Lau

	Guess I'm lucky as my cold water feed line from the street is almost
200 feet of 2" copper; cost a fortune a few years back.  I'm sure the
proper PVC pipe will last longer and have less friction, particularly
inside the house, but out here in Socal the trades unions have been
doing their damndest to fight its use and mess with local building