Let’s say you run a two wire cable for travellers between two switch boxes. Then you run another 2 wire between those two boxes for hot and neutral which carries on to other devices. Will the code gods smite you for not using a 4 wire?
Well, it is not compliant in CanadaYou can disagree but you would be wrong as this was brought up at a large code meeting and it was stated as a compliant install.
Will it cause overheating and possible fire? NoHere’s what I was really asking with my dumb question:
It’s Saturday and I don’t want to pay HD price for 3 wire. Is it okay if I cheat?![]()
This is not a new code for us. It came out in 1972. Knob and tube wasn't getting installed since the 50's so this code came along with the new multi conductor cables that were being used.This is one of those things in which it's only against code because people were bored and wanted to make more rules. And people only follow it because they need to feel warm and safe by following someone else's orders.
All the wires required for a 3-way switch circuit are 2 travellers and either a hot or a switch leg. The switch location requires a neutral, the switch circuit does not.You can not run separate wires. All the wires for a circuit must be contained in the same multi conductor cable. 12-106(1)
LOL, I carry the bare minimum since I only do resi service work, and those 3 are exactly what I carry.If one of my guys didn't have
14-2
12-2
14-3
on the truck I might go off the deep end.
What are you saying?All the wires required for a 3-way switch circuit are 2 travellers and either a hot or a switch leg. The switch location requires a neutral, the switch circuit does not.
Anytime i see someone buy less then a 250' roll of romex I get a chuckle. A 25' full and I'm laughing out loud.LOL, I carry the bare minimum since I only do resi service work, and those 3 are exactly what I carry.
I also have about 100' of 12-3 that has been sitting there for a couple years. And then 4 500' reels of #12 (green, white, black, red).
Mine are all 250 foot coil’s. The 100 foot of 12-3 is what’s left over.Anytime i see someone buy less then a 250' roll of romex I get a chuckle. A 25' full and I'm laughing out loud.
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wait until you see my next trick, I mean thread.Good because I was kinda of concerned.
Selling your bandsaw and buying 100' rolls of romex all in one day is a little too much for me too take.
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What are you saying?
the switch location requires a neutral not the actual switch, sure, but how do you plan on getting the neutral to the location? The neutral is part of the circuit. There is no such thing as "the switch circuit".
Code specifies they all must be contained in the same cable. You can not run some of the wires in one cable and the other ones in another cable to the same location.
It's wrong because it would be re-tarded to wire it like that when you obviously already have a 3-wire cable for the travelers and "return".I didn't say that. The code requires a neutral at each switch location.
View attachment 135100
What would be wrong with this? We've always ran s wires between switches.
Why in the world would you ever wire switches like that?I didn't say that. The code requires a neutral at each switch location.
View attachment 135100
What would be wrong with this? We've always ran s wires between switches.
What is wrong with it is It is against code.What are you saying?
the switch location requires a neutral not the actual switch, sure, but how do you plan on getting the neutral to the location? The neutral is part of the circuit. There is no such thing as "the switch circuit".
Code specifies they all must be contained in the same cable. You can not run some of the wires in one cable and the other ones in another cable to the same location.
I didn't say that. The code requires a neutral at each switch location.
View attachment 135100
What would be wrong with this? We've always ran s wires between switches.
Easy. Feed the first switch, run a three wire from first switch to second switch, then a two wire from the second switch to the load. No 4 wire needed and each switch location has a neutralInstead of name calling, how about posting a pic of how you would wire them? WITHOUT 4 wire cable.
What if your load comes from the first switch?Easy. Feed the first switch, run a three wire from first switch to second switch, then a two wire from the second switch to the load. No 4 wire needed and each switch location has a neutral