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Bookmark or Share- Backfeed breaker requirements - Electrician Talk690.10(E) only applies to stand-alone systems (not connected to utility). Interestingly, that 408.36(D) fastener requirement does not apply to utility-interactive inverters, per 705.12(D)(5).
- phase taping conductors - Electrician Talk210.5(C) Branch Circuits - one place in the NEC where it specifically states you "shall be permitted" to color code conductors "by separate color coding, marking tape, tagging, or other approved means." I seriously doubt all his branch circuits are #4 or larger!
- NEC Requirements for Generators and Standby Power SystemsMike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633) 5 NEC Requirements for Generators and Standby Power Systems 445.18 Disconnecting Means. Generators must have one or more disconnecting means that disconnects all power, except where: Figure 445–7 (1) The driving means for the generator can be readily shut down, and
- Romex in commercial applications | Electrician TalkThe NEC doesn't entirely rule out NM in commercial buildings, look at (3) below. The problem is determining the construction type is not simple. The informational note is misleading, there's not enough info in the annex for you to determine the building type, IMO.
- Unused old wiring - Electrician TalkHad a disagreement with a GC in a 90+ year old whole house renovation. I started with disconnects on all existing circuits and then removing all exposed old wiring as he didn't gut the whole house, which was another disagreement but lets talk about the main one for now.
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