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Cathodic Protection

SpeyFitter Member Posts: 422
I'm just curious if you guys can point me towards some information on cathodic protection of underground steel gas lines. Do you know of any manuals or books worth reading on the subject? I'm talking about impressed current methods with respect to ensuring they are functioning properly and doing their job as well. I'm told the Copper Sulphite or Sulphate half cell test is the one we're supposed to use but I haven't done too much digging yet other than a few minor searches online.
Class 'A' Gas Fitter - Certified Hydronic Systems Designer - Journeyman Plumber
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