Southwire's Romex® SIMpull® type NM-B may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90°C. Southwire 75-Feet 8 / 3 / Romex SIMpull Stranded Indoor CU NM-B W/G Individual pack ( By-the-roll ) | 63949207
Product SKU:
5002377601_5002377601
UPC:
32886263378
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And if not hard-wired, a quality 14-50R if going for 40A continuous - not the $10 things sold at the big box stores. $50+ Hubbell HBL9450A or equivalent for reliability.
All kinds of things. An EVSE (electric vehicle charger) is a typical use. 40A circuit, good for 32A continuous. Typically do not need 8/3 though, 8/2 (no neutral) would be sufficient.
All kinds of things. An EVSE (electric vehicle charger) is a typical use. 40A circuit, good for 32A continuous. Typically do not need 8/3 though, 8/2 (no neutral) would be sufficient.
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Quote
from NeatOstrich900
:
Highly recommended to over size wiring for EV charging.
And if not hard-wired, a quality 14-50R if going for 40A continuous - not the $10 things sold at the big box stores. $50+ Hubbell HBL9450A or equivalent for reliability.
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Feb 16, 2025 1:07 PM
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In the average home, you'll find larger gauge wire serving the following:
Electric Stove
Electric Clothes Dryer
Central Heat With Electric Coils
Tankless or Tank Water Heater
Larger Central Air Condensers
Any of these will be plainly marked with amperage requirements for circuit sizing, which easily translates to wire and breaker size. All of the above typically have a dedicated circuit and breaker.
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from mstang1988
:
Really you should do 4-gauge so you can do 50-amp continuous (48 amp charger).
I used 6AWG wire for 60A circuit... you can do this as long as you're using 75C or 90C-rated wire, such as THW, THWN or THHN.
Refer to the Ampacity charts: https://www.cerrowire.com/product...ty-charts/
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from SilentAgnostic
:
I used 6AWG wire for 60A circuit... you can do this as long as you're using 75C or 90C-rated wire, such as THW, THWN or THHN.
Refer to the Ampacity charts: https://www.cerrowire.com/product...ty-charts/
That's some dangerous advise. First, residential breakers are generally rated at 75c. You cannot use the 90c column unless all components in the circuit are rated for 90c.
Second, that wire is only good for 65A noncontinuous loads at 75c. If you want 60A continuous as you would need for an EV, you'd need something rated for 75A, or 4AWG THHN. Your wire is undersized.
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Electric Stove
Electric Clothes Dryer
Central Heat With Electric Coils
Tankless or Tank Water Heater
Larger Central Air Condensers
Any of these will be plainly marked with amperage requirements for circuit sizing, which easily translates to wire and breaker size. All of the above typically have a dedicated circuit and breaker.
Our community has rated this post as helpful. If you agree, why not thank
Refer to the Ampacity charts: https://www.cerrowire.c
Lot of people run high voltage to save on copper.
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Refer to the Ampacity charts: https://www.cerrowire.c
Second, that wire is only good for 65A noncontinuous loads at 75c. If you want 60A continuous as you would need for an EV, you'd need something rated for 75A, or 4AWG THHN. Your wire is undersized.
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