413-02-02 about Main Bonding?
But the CH is internal to the house so only Supplementary Bonding applies.
remembering that you have main bonded the incoming Water and Gas (or Oil) supplies where they entered the property, the rest of the instalation can't Introduce a potential.
But the CH is internal to the house so only Supplementary Bonding applies.
remembering that you have main bonded the incoming Water and Gas (or Oil) supplies where they entered the property, the rest of the instalation can't Introduce a potential.
