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  1. Byravar

    NEC Article 110.26 (A)(1)- Depth of working space condition 3

    We have dead front panel boards rated 480/277 Volts installed on opposite walls of a dedicated electrical room. Only qualified electricians are permitted to perform maintenance work. NEC article 110.26 (A) ( 1) condition 3 states that exposed live parts on both sides of the working space require...
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