@100kpermonthelectrician: 📊 NEC Ampacity Chart (Table 310.16 – 2023 NEC) This table shows the allowable ampacities of insulated conductors rated 0–2000 volts, 60°C through 90°C (140°F–194°F), not more than 3 current-carrying conductors in raceway, cable, or earth (direct burial), based on an ambient temperature of 30°C (86°F). Key Points • Table 310.16 → Main ampacity table for conductors (copper & aluminum). • Adjustment Factors → Required if >3 current-carrying conductors in a raceway/cable (see 310.15(C)(1)). • Correction Factors → Apply if ambient temperature ≠ 30°C (see notes under the table). • Termination Ratings → Even if insulation allows 90°C, most breakers/panels are rated 60°C or 75°C—you must size to the termination rating per 110.14(C). ⸻ Example (Copper, THHN/THWN-2 @ 90°C column, Table 310.16) • 14 AWG → 25A (but limited to 15A by 240.4(D)(3)) • 12 AWG → 30A (limited to 20A by 240.4(D)(5)) • 10 AWG → 40A (limited to 30A by 240.4(D)(7)) • 8 AWG → 55A • 6 AWG → 75A • 4 AWG → 95A • 3 AWG → 115A • 2 AWG → 130A • 1 AWG → 150A • 1/0 AWG → 170A • 2/0 AWG → 195A • 3/0 AWG → 225A • 4/0 AWG → 260A@⚡️The Flash Electric⚡️ @mikeholtnec @⚡️NEC_NERD⚡️🤓 @Mike Holt Enterprises #foryoupage #electriciannearme #nec #electriciannearme #electrician

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Wednesday 03 September 2025 20:58:26 GMT
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calpower_electrical
Calpower Electrical Contractor :
Nothing wrong under certain circumstances, like AC nameplate requirements, for example…we need more data to know if is is violating any Code article or not…
2025-09-05 20:00:07
17
brokefromsmoke
BrokeFromSmoke :
If its a motor move on brother we got other things to worry about like that rats nest we call a panel
2025-11-11 22:25:47
0
zone6vet0
zone6vet :
It’s a lot more factors to determine if you’re code compliance than just wire and breaker. Real electrician would know that
2025-09-04 03:55:29
15
mikegrothe4
mikegdaisymay :
All wrong wire is good for 45 amps code allows us to go to next breaker size which is 5o amps 240.6
2025-09-04 04:11:43
11
tcb_electric
@jeff_the _electricain :
Maybe there is an AC on the other side. Then we are provably code compliant
2025-09-03 21:55:26
20
mikeschieberl
mikeschieberl :
None if it’s not a continuous load and it says on the unit maximum breaker size between 40 and 50 A
2025-09-04 03:22:46
0
kafo9945
kafo9945 :
#6 wire is required regardless of load, it’s always the potential.
2025-09-04 09:47:24
1
user9193076716099
user9193076716099 :
It’s good for 40 to 55 A odds are depending on what it is. It’s not against code.
2025-09-04 05:04:36
0
mikegammill0
Mike Gammill :
never seen or heard of #8 romex stranded
2025-09-04 04:15:48
5
surdo316
surdo316 :
40 amps on #8 50 amps should be #6
2025-09-04 03:12:05
23
jonaswyaco
jonaswyaco :
Looks like a #6
2025-09-04 04:36:44
0
nthomas023
Noah Thomas :
Seems to be a common thing. When I was an apprentice the guys above me were always telling me use 8 NM for a 50 amp circuit.
2025-09-04 17:05:45
1
peterelectric
Mr Sparky⚡️🔌💡 :
It’s good for 45 amps
2025-09-06 05:26:13
0
user35153609
Tik Toker :
It depends on the insulation.
2025-09-05 20:12:56
1
hunter_brux
hunter_brux :
Never seen #8 romex stranded that’s a new one now they have #6 stranded romex
2025-09-04 00:09:13
4
ben_idontknowwhy
Benjamin Gartner :
is it for an air conditioner? minimum branch circuit ampacity can change for air conditioners, nameplate rating?
2025-09-04 04:14:20
2
kjd_electric
KJD HOME IMPROVEMENT LLC :
🤔👍🏾👍🏾40 amp 50 #6
2025-09-04 12:10:55
5
toddchaney4
ToddC :
Is it an AC?
2025-09-05 02:40:41
1
tonyvaldivia41
tonyvaldivia41 :
#8 thhn is good 55 amps indoor wiring only
2025-09-04 21:27:06
4
jameshaskin7
jameshaskin7 :
depends on what one want to assume nmb wire is considered as. because of insulation, it has to be debated, but if we have it in conduit, thhn it can be used on a 50.. 20 yrs ago nmb #8 was good all day every day on a 50. but if I interpret code. the breakers protect the equipment, not the wire.
2025-09-05 02:55:36
3
haybale7889
Haybale7889 :
#8 is rated for 55amps at 90°c; if you're in the sunbelt there is nothing wrong with #8/50A.
2025-09-06 16:06:45
1
mr..electric2
Mr. Electric :
I see 2 violates articles of 334.80 restricting NM cable to 60°C. and article 310.16 table
2025-09-04 12:47:45
3
sparkyvoltage
SparkyVoltage :
If it doesn't hold on a 40 you can put it on a 50 right? I'm sure that's in the code book somewhere 😂
2025-09-05 12:12:33
0
towel.e
Towelee :
110-14
2025-10-18 12:44:44
1
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