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  1. Commercial Electrical Forum
    Hello, I am new here and only been working on a few commercial projects. I'm working on a small project upgrading an electrical panel from an old (outdated)100AMP panel to 200AMP. The Disconnect switch from the outside meter is currently 100AMP and it has aluminum wire instead of copper from...
  2. Residential Electrical Forum
    Just a heads up for anyone looking for information on grounding requirements for new main electrical services and electrical panel upgrades in Los Angeles on existing (and new) buildings: Los Angeles City is now requiring the use of two ground rods, in conjunction with the cold water...
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