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  • Users: rlaft
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  1. rlaft

    GFI protection at 80 vac

    I am planning on installing a power distribution system to provide 80 vac for heating inside vacuum chambers. 80 vac is the accepted limit to prevent the occurence of corona which occurs violently with higher voltages as the absolute pressure is being decreased. These chambers may be...
  2. rlaft

    Odd distribution voltage

    I need to install a distribution system to provide 138/80 vac 3 phase voltages into a vacuum test chamber. I am looking for alternatives for a method of producing this voltage from the more typical distribution voltages (208, 240 & 480). Also, I am looking for an economical source of GFI circuit...
  3. rlaft

    GFI for non-standard voltage

    I am planning on installing a power distribution system to provide 80 vac for lighting and heating inside vacuum chambers. 80 vac is the accepted limit to prevent the occurence of corona which occurs violently with higher voltages as the absolute pressure is being decreased. These chambers may...

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