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Does anyone have policies or know of requirements for power strips, and similar power supply units, in hoods.   I am referring to not explosion proof rated hoods and areas.   

I know of a incident that happened years ago that involved a chemical explosion in a hood that injured a chemist.   OSHA investigated and the only “citation” was for use of “temporary” wiring inside a hood.   The OSHA inspector considered the power strip temporary wiring and prohibited them from inside the hood.

Please let me know.

Thanks