guy(homeowner) buys csst from amazon then tries to install by himself w/o proper bonding grounding and an indirect lightning strike...booom
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guy(homeowner) buys csst from amazon then tries to install by himself w/o proper bonding grounding and an indirect lightning strike...booom
Haven't seen any of the CSST available to the public, seems to be only availble through wholesale who require certificate holders to purchase it.