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q_aurelius skrossa ewarren Those plus: - Arc fault circuit interrupters - Adding the ground pin for equipment grounding - 20 amp NEMA outlets that support the old 15 amp plugs and the new 20 amp ones - In outlet surge suppression
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q_aurelius skrossa ewarren Standards are not a bad thing, that's why we have IEEE, ANSI, ISO, NFPA, and the like.