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what difference would it make ?
lol there isn't enough current to kill you.... I speak from experience 120v at 15 amps hurts a bit and might make you feel sick but..... that's it. Agreeably a slight increase in safety would be gained while the circuit was closed but no more risk is involved than when plugging something into a wall.I hypothesized a reduction of heat may be gained by wiring to the hot side first..maybe.
this is misleading information i've been shocked dozens of times and never suffered a cardiac arrest....... i feel these are troll comments
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