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  • Users: kvar
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  1. kvar

    nfpa30 question

    does nfpa 30 specify the conditions necessary to make it a requirement to utilize emergency relief vents. i know they are required on stationary fuel cells, are they required on portable generator skid or trailer tanks and also on the rupture containment area?
  2. kvar

    5kv bus bar question

    have been trying to find info on 5kv bus bar spacing insulated and non insulated. age tends to confuse recall. any help appreciated.

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