About 50 results
Open links in new tab
  1. Table 300.5 interpretation - Electrician Talk

    Oct 16, 2023 · For a given column of Table 300.5 ("minimum cover requirements") there is a potential overlap of the various rows. The one that concerns me at present is Column 2 (IMC and RMC …

  2. Gas station wiring requirements - Electrician Talk

    Apr 13, 2023 · NEC 2017 514.8 Underground Wiring. ENHANCED CONTENT Fuel spilled in the vicinity of gasoline dispensers seeps into the ground and could migrate into underground electrical conduits. …

  3. 80% rule? - Electrician Talk

    Apr 2, 2014 · 80% rule applies to continious loads such as motors, lighting or any load expected to be on 3 hours or more. A breaker is rated for 100% of the noncontinious load which may include outlets or …

  4. Required Clearance - Electrician Talk

    Dec 19, 2022 · Good Morning Everyone, I Recently obtained a lead on a service upgrade. My question to the community pertains to working clearance of other utilities. I could not find any references in the …

  5. NEC 334.30 Securement Requirements for NM Cable Fished...

    Jan 23, 2023 · I know 334.30(B)(1) (quoted below) has been discussed here before, but I haven't seen a satisfying answer to my particular question. I recently had a discussion with an inspector about the …

  6. NEC and running multiple 3 Phase feeders in single conduit

    Jan 9, 2025 · Does NEC allow running multiple 480V 3 Phase Power load conductors in a single conduit instead of running each 3 phase loads conductors in separate conduits?

  7. Is there a Resistivity of Conductors (K) chart in the NEC?

    Sep 15, 2010 · The K factor isn't specifically stated in the NEC, but wire sizes and their circular mils and resistance are. Using these, you can derive it from the tables in the NEC. For example, Chapter 9, …

  8. Difference between NEC and CEC - Electrician Talk

    Nov 17, 2011 · NEC allows 15A duplex receptacles on 20A circuits - in CEC we need 20A receptacles if it is a 20A circuit. NEC solar requires per-module rapid disconnect, in CEC we currently allow array …

  9. Understanding NEC 2020 and disconnects required - Electrician Talk

    May 13, 2021 · Understanding NEC 2020 and disconnects required Jump to Latest 13K views 9 replies 4 participants last post by magicone2571 May 14, 2021 M

  10. NEC says MC & EMT can be unstrapped when run through...

    Jun 25, 2022 · Can I get some verification that I'm interpreting NEC correctly here? I'm not asking what's the best practice. I'm asking on the proper interpretation of the code. I've gotten in numerous …