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You are watching: How many romex under a staple

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guy at occupational puts 3 14 guage wires under one staple.. Anyone else perform this? i always do 2 max.. And how about wires in slot that plastic box..Ive heard of examiners failing because that this as well, boss makes sure we only put in one wire per slot.
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yea thats what i beleive as well. Plus even it is permitted im sure most assessors will fail you because that it.. .. I guess we will find out soon,
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It"s to be a while because I"ve wired a house, yet we regularly did this in Virginia. Only obtained gigged on the once. Ns think it"s a technical violation that the staple-listing, and I think we acquired cited because that bundling...?We"d go nuts: use 1 1/8th staples and squeeze 4, 5, even 6 pieces of Romex under "em. :whistling2:-John
From one inquiry i made of a manufacturer number of years ago:Marc:This question has been coming up a lot lately, and also we have to be mindful how we answer it as result of the diversity in code interpretation throughout the country. UL tested our assets for one cable, i beg your pardon is pretty much standard. We are aware however the many builders run two, 12 or 14 cables under a #100 staple with no problem. The LL# 100 and also the LL141 deserve to physically hold even 3 and 4 cables securely, however some inspectors will only enable one cable nevertheless of leg length and also holding capacity. The is why we need to be careful in heralding multi-cable capability.You room correct the leg length is crucial factor in stop capability, but leg design and also shape is also important. Girlfriend will an alert that the Viking #100, #125, etc. Legs space not round. They space flattened which increases holding ability. A Viking staple will as such hold better than many round-leg staples.The equipment will more than likely be for united state to inquiry UL or various other lab trial and error for lot of cables, i m sorry is expensive and time consuming. In the average time, we indicate the assessors be realistic around a staple’s intended function “to adequately secure a cable or cables without damaging them”. A simple pull test would certainly seem to be sufficient to resolve this issue. Pull on it and see if it comes out. If it does, you need a larger staple. If, not, go with it.If the inspectors are concerned around “over driving” in stimulate to do the staple hold on lot of cables, one of our insulated staples such as the IN 3000 or IN3125 might be the answer. We have actually seen sales the IN3125 (based on our #125 staple) boost lately, mainly for this reason.Finally, Viking is introducing a heat of plastic “stacking staples” this fall. These will certainly be design to hold 1-2 or 3 cables and also will be shade coded because that 10, 12 and 14 cable. They will certainly be an ext expensive 보다 steel staples yet they should deal with this concern in problem areas.Hope this helps, we will certainly be happy to supply samples or extr information at your requestTom TrudeauPresident


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