Are there any gotcha or restriction in laying multiples wires along a rail, 120V 15 amp 14-12AWG? Concern on interference/shield? Can they be tie together or they have to be separate? How far apart can they be?

Not sure what you mean by a rail, but, combining cables into a bundle will require derating, due to the heating effect of the cables being so close. If not bundled, then laying next to each other will be fine, with no specific space in between.

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Originally Posted by tkrussell

Not sure what you mean by a rail, but, combining cables into a bundle will require derating, due to the heating effect of the cables being so close. If not bundled, then laying next to each other will be fine, with no specific space in between.

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I meant rail as in running it against the wall... using the wall the rail with some cable nails to hold it in place.

So if I just staple them separately, even next to each other, it should be fine?

Thanks again for all your help.

Yes you will do OK just laying next to each other and stapling every 4.5 ft.