peltaz
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My house is old galvanized pipe which I am considering having repiped using Wirsbo pex. In the course of getting a couple of estimates I forgot to ask a question I have been wondering about. My house has updated electrical with 2 grounding rods from the main panel although the house is old-1938. I have crawled through every inch of crawlspace under the house and do not see any grounding wires connected to the pipes. How do plumbers ensure that any grounding path using the galvanized pipe has not been broken? The reason I asked this is that the old galvanized pipe still remains when the new pex is installed around it. Thanks.