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Electrical question No.34 – AC or DC hazardous current

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  • #274
    akbari nejad


    Is there any limitation for hazardous through current from human body?

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  • #1533
    Hamid

      There shall be a 300-V limitation on all operating control and signal circuits and related equipment,including door operators. Exceptions are permitted for 25 to 60 Hz ac if the current cannot under any conditions exceed 8 mA, or for dc voltage if the current cannot, under any circumstances, exceed 30 mA.

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