St. Paul Electrical JATC
Weekly Trivia Questions and Answers


Q: Does a walkway in a two story dwelling unit that is 25 feet long and connects rooms on the second floor in an open floor plan require receptacles?  It is open on both sides.

A: Yes.

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Q: 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? 

A: Yes.




Page Last Updated: Mar 11, 2020 (05:07:19)
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  • St. Paul Electrical JATC
    1330 Conway Street, Suite 150
    St. Paul, MN 55106
    (651) 772-8746 or (651) 776-4239 Ext. 5
    Fax: (651)772-8786

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