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This week I finally landed a 400 amp service upgrade without a single callback
Job was at an old bakery downtown Chicago, and the existing panel was so rusted out I had to rebuild the whole gutter. Has anyone else had good luck with the newer Square D homeline breakers holding up on high draw equipment?
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henderson.wesley2mo ago
Bet the old bakery's ground wire was undersized from day one, had to deal with that on a similar job.
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pat_coleman2mo ago
Honestly, I'd look at the conduit bonding before blaming the ground wire. Undersized grounds are pretty rare unless someone really messed up the load calc.
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casey_harris2mo ago
Last time I trusted my ground wire math I ended up tripping the whole block's power.
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