The required working space for access to live parts operating at 300V-to-ground, where there are exposed live parts on both sides of the workspace is _____. a) 3 ft b) 3.5 ft c) 4 ft d) 4.5 ft See answer and applicable Code reference The correct answer is: c) 4 ft Hopefully, most everyone is familiar with the access and working space requirements outlined in Sec. 110.26 of the NEC. As noted in 110.26(A)(1), "The depth of the working space in the direction of live parts shall not be ...

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