Custom Power Distribution Box

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#61
I have working smoke detectors and promise (again) not to test with my tongue!

I've talked with my tech already. All wires will be color-coded, there will be an internal breaker, and the unit will get a full bench-test in his shop under his supervision. Nothing will be taken home and plugged in until he's fully inspected and tested it.

Thank you Simon for all that context. I really appreciate the attention to detail.

I should also say, in light of the brief suspension of the thread and the very appropriate comments above that all my decisions will be my own. I'm not going to do anything simply because someone on a forum suggested it. I see this as a conceptual discussion focused on design considerations. In retrospect and in light of the points and concerns raised in this thread, I could/should have been more explicit about that from the very beginning.
 
#63
Just thinking aloud and not tied to any Country, just some common sense:
I would NOT repeat NOT "ask at a Forum" questions potentially leading to great damage or even Death.

If the Tech doing the job needs such instructions, and even worse he needs the end user to get them, then he is CLEARLY non qualified for such a job.

That *added* to local regulations, certifications, whatever.

The proper safe way would be to get somebody both qualified to do the job and certified to do so, not the same thing.

Why is the OP asking for guidance and instructions at DIY Audio is beyond me.

IF at least this were a Forum dedicated to and basically filled with Certified Electricians then it would be different.
And even so ....

When a poster promises, swears to God, whatever , that he WILL follow all rules and safety procedures , I still take a dim view of that, what guarantees he will?

Even if he tries to ... is he competent to follow them in a safe way?

He may honestly believe so, yet ......
 
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#66
leadbelly said:
You are saying that if you told an electrician to run 2 20A circuits to a single box, he would run a 12-3 and share the neutrals? Never seen that here in all the houses I have owned built since the 60's onward and any electrician I have ever dealt with.
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Every single house I've ever worked on was wired like that, from the original contractor. My house was wired with common neutrals all the way. The hot leads have to be from different phases. It's de rigeur. It's also common for non-electricians to screw the neutral up.
 
#67
Downupside said:
Forget it. I’m done here. This thread is anybody and everybody else’s now. Some wonderful input. But too many presumptuous a#*%oles for my taste.
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You might try over at Audio Karma in the DIY section. Less judgement. You are a big boy and can make decisions for yourself. I do think it interesting that you got so much heat while folks routinely give advice regarding HV issues that are MUCH higher than the line voltage.
Try AK
 
#69
Fast Eddie D said:
Every single house I've ever worked on was wired like that, from the original contractor. My house was wired with common neutrals all the way. The hot leads have to be from different phases. It's de rigeur. It's also common for non-electricians to screw the neutral up.
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That's interesting. But you say the combined neutrals can only go up to maximum 10-12 junctions typically allowed in code in NA? And this is the whole house, not just the kitchen counter circuits? Just don't see the point, it uses so much more components than using 12-2 or 14-2 and single breaker and going up to 10-12 junctions.

Never seen that in Canada. Although my brother's house may have used 14-3 for kitchen counter outlets, can't be sure, memory's dim.
 
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