Wire Size for 60 Amp 300 Feet (120V)

StandardWire SizeAmpacityVolt DropDrop %
NEC (US)AWG 2/0 (67.4 mm²)175 A3.41 V2.84%
IEC (EU)70 mm²184 A3.29 V2.74%
BS (UK)50 mm²144 A4.60 V3.83%
AS/NZS50 mm²144 A4.60 V3.83%

About AWG 2/0

Typical use
145–175 A service entrance — larger residential service
Max breaker
175 A
Temperature rating
75 °C
NEC reference
NEC Table 310.16

Always verify local code requirements. Wire sizing depends on insulation type, ambient temperature, and conduit fill.

Adjacent Current Comparison

CurrentAWGmm²AmpacityDrop %
50 AAWG 1/053.5 mm²150 A2.99%
60 AAWG 2/067.4 mm²175 A2.84%
100 AAWG 4/0107.2 mm²230 A2.98%

Adjacent Distance Comparison

DistanceAWGmm²AmpacityDrop %
200 ftAWG 1/053.5 mm²150 A2.39%
300 ftAWG 2/067.4 mm²175 A2.84%