ST. PAUL ELECTRICAL JATC
The electrician is installing a fixed electrical radiant heating system under the slab on grade floor of a building. There are six heating mats. Each mat is rated at 15.6 amperes at 277 volts single phase. Can she install twelve #10 THHN conductors (6 circuits) in a 1 inch PVC conduit for a distance of 150 feet to a relay panel that controls the individual heat mats?
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