Let me make sure I understand you....the owner/lead foreman of an electrical contracting firm had never before heard that all conductors for a circuit were to be run in the same conduit? And neither of you could find it in the NEC?
Re: What's Wrong With This Picture?#105699 06/26/0507:31 AM06/26/0507:31 AM
That's funnny. Sometime I wish they would revoke an electrical liciance for too many dumb mistakes like that. Like a drivers liciance & too many tickets. I guess some have the power but I never herd of it happening.
Maybe the equip. grounds are just not terminated yet?
Can they get the panels any closer to each other. Some covers will not fit like that with out over lapping.
Re: What's Wrong With This Picture?#105701 06/26/0501:47 PM06/26/0501:47 PM
In the US, the common practice---practice, mind you, not any form of 'code'--- is to mark the feeders in the order Black-Red-Blue. Likewise, it is also the practice to follow this pattern from the top down for the breakers.
Looking at the breakers, I see black-red-black-blue.....and some yellow farther down.
This suggests that the person who connected these wires had no formal training; that is, had not been taught the 'ground rules." It is in stark contrast to the neat pipework and clean mounting of the panels. I wouldn't be surprised if we're seeing the work of two different guys.
I'd also like to see just how much induction heating occurs here.
Re: What's Wrong With This Picture?#105705 06/27/0508:03 PM06/27/0508:03 PM
I'm not sure if that top black is a conductor, or a uncut ty-wrap.. If you look closely at the breakers, it's hard to tell if the top breaker is really a breaker, or just black plastic trim.. compare with the trim in the right panel..
note the absence of writing on the top "breaker".. if you assume that the top black "wire" isn't a conductor, the rest of the colors match up with the phase order in the right panel.. red, black, blue, red, black, blue, etc..