Understanding the 75°C vs 90°C column in Ampacity Table...
May 5, 2025 · The columns indicate how much amperage is required to raise the temperature of that size conductor to that column's temperature under standardized conditions. So a 2/0 XHHW will …
GFCI required for EV charging receptacle m - Electrician Talk
Apr 4, 2023 · NEC 2017 625.54 Ground-Fault Circuit-Interrupter Protection for Personnel. All single-phase receptacles installed for the connection of electric vehicle charging that are rated 150 volts to …
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
EMT Fittings for Damp Locations. - Electrician Talk
Jan 4, 2025 · Here’s 2023 NEC Same wording. I included the Enhanced Content 225.22 Raceways on Exterior Surfaces of Buildings or Other Structures. Raceways on exteriors of buildings or other …
Branch circuits The distinction between a branch circuit and a feeder can be a source of confusion for the Code user. The first step in eliminating this confusion is to understand that the NEC defines a …
What are appliances and when is a disconnect required?
Sep 23, 2023 · So appliances, as defined by the NEC, are equipment for HVAC, clothes washing, electronics, food, lighting, chemicals, or "similar purposes" which are installed as part of, or in …
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 …
210.8 (F) Outdoor Sauna 2023NEC - Electrician Talk
Nov 9, 2024 · I am mainly looking for opinions here. I feel best leaving GFCI protection installed however in the eyes of the NEC would 210.8 (F) apply since the “outlet” is the heater which is located INSIDE …
High bays hanging from rigid conduit - Electrician Talk
Dec 4, 2024 · My AI NEC assistant tells me this is permissable. Yes, the National Electrical Code (NEC) allows luminaires (light fixtures) to be supported by a chain from a rigid conduit under specific …
Smoke Detector Circuit - Electrician Talk
Sep 11, 2014 · NEC does not address smoke detectors, other building codes do. NEC covers wiring methods employed in powering and connecting smoke detectors together such as no nm above drop …