A Hockey Puck 15/30Amp Adapter to Avoid
This is a style of hockey puck adaptor that was responsible for an intermittent hot skin (open ground). Notice how it shows "Made in USA", has "CSA" symbol, and no mention of "UL". CSA stands for "...
Forum Discussion
Those adapters are really cheap but the CSA logo is accurate and the original importing company can use CSA as an NTRL for US certification.
