Can wires be fed into main electrical panel from the top according to Ontario Elec. Code. or the sides only?
Hello John
It depends on what type of panel it is and the orientation of the panel.
Unlike the USA, Canadian panels can be mounted in any orientation. What cannot happen is that the wiring cannot go through the main breaker area of the panel if it has one; this is referred to as the Service Entrance.
Cheers
John
John L. Kuehnl-Cadwell, CD, ME
Master Electrician
Datawise Solutions Inc
905-323-3843
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