We would call it "a serious code violation." It's prohibited in the NEC and always has been, it's objectively less safe.
From what I understand the UK allowed it because of a severe postwar copper shortage and it persists to this day because it's allowed and a bit cheaper.
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We would call it "a serious code violation." It's prohibited in the NEC and always has been, it's objectively less safe.
From what I understand the UK allowed it because of a severe postwar copper shortage and it persists to this day because it's allowed and a bit cheaper.