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NEC 2020 AFCI & GFCI Requirements - Electrician Talk
Is this right? NEC AFCI - The use of AFCIs expanded to family rooms, dining rooms, living rooms, parlors, libraries, dens, sunrooms, recreation rooms, closets, hallways, kitchens, and similar rooms or areas. LIKE THE WHOLE F'ing house? Virginia - Bedrooms only? GFCI - Kitchen, Bathroom...
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Understanding the 75°C vs 90°C column in Ampacity Table...
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 reach 75°C at 135A and 90°C at 150A. The wire insulation is good for 90°C, so for sizing the wire, we can use the...
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Branch Circuits - Electrician Talk
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 branch circuit as “the conductors between the branch-circuit final overcurrent device protecting the circuit and the outlets” (such as receptacles or lights) [Article 100].
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Understanding NEC 2020 and disconnects required - Electrician Talk
Understanding NEC 2020 and disconnects required 1 reading Jump to Latest 13K views 9 replies 4 participants last post by magicone2571 May 14, 2021
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Orange, Brown and Yellow Conductor Colors - Electrician Talk
The NEC requirements for marking color, are only for grounded and grounding conductors. The consensus here, least where I live, is 480v 3p Brown Orange Yellow. 277v is colored conductor and Gray grounded conductor. 120/208v 3p is Black Red Blue. 120/240 Delta is same with high leg marked red or orange.
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High bays hanging from rigid conduit - Electrician Talk
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 conditions.
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210.8 (F) Outdoor Sauna 2023NEC - Electrician Talk
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 of the structure? This world is held together with tape, glue and hope.
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Table 300.5 interpretation - Electrician Talk
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 conduit). If it's buried in a trench below 2" of concrete or equivalent, but also goes under a parking area in a...
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NEC Requirements for Generators and Standby Power Systems
NEC Requirements for Generators and Standby Power Systems Rule 220.87, Articles 445, 700, 701, and 702
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GFCI required for EV charging receptacle m - Electrician Talk
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 ground or less, and 50 amperes or less shall have ground-fault circuit-interrupter protection for personnel.