[RE-wrenches] Supply side tap not allowed

[Jeff Oldham]

Thanks all for the good feedback. A service upgrade to this flush mount meter/main is beyond what the owner cares to spend as it is a major project being it is in a wall that is extremely crowded both structurally and electrically. There is no way to get between the meter and main w/o any modifications to what was UL listed as is. There is no distribution section, it is 200' away and trenching through landscape, gardens and patio's are not an option either.

I know all about the horror stories over Zinsco, but the vast majority of their problems are in the distribution panels not these simple meter/main's with only one breaker that is rail mounted w/o those funky bus and breaker "connections" to it. This is a bigger picture issue that I'm raising here - having to secure a written letter from the manu on how to tap their panels on ALL jobs that are over 120% of bus rating regardless of panel brand or age. I agree that service taps rules apply here as do fill calcs and that a listed tap meeting fill allowances does not modify the panel to the point of UL violation. I'm meeting with the County head of Building next week to discuss further....

-jeff o


>From the Solar, Wind and Hydro powered office of Jeff Oldham/Regenerative SOLutions

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