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Standard Sizes High Temp
Reference Tables of Conductors for General Wiring
Class H Class I Class K DLO Conductor’s Nominal Diameters
26 to 20 AWG 18 to 12 AWG 10 to 6 AWG 4 to 2 AWG 1 to 1/0 AWG 2/0 to 4/0 AWG 250 to 350MCM 400 to 750MCM
Size
(AWG/mm2)
Item # L1
(mm/in)
D
(mm/in)
D1
(mm/in)
D2
(mm/in)
Qty. Price
2/0 AWG
(70.00mm2)

True 2/0 AWG
(67.00mm2)
N700020 20/.79 14.3/.563 13.5/.531 16.3/.641 50 $14.92
SF670020 20/.79 12.4/.488 11.8/.465 14.5/.570 50 $17.01
NT700020 20/.79 14.3/.563 13.5/.531 16.3/.641 50 $22.10
 
2/0 AWG
(70.00mm2))
N700022 22.0/.866 14.3/.563 13.5/.531 16.3/.641 50 $15.34
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2/0 AWG
(70.00mm2)

True 2/0 AWG
(67.00mm2)
N700025 25.0/.984 14.3/.563 13.5/.531 16.3/.641 50 $16.16
SF670025 20/.79 12.4/.488 11.8/.465 14.5/.570 50 $21.06
NT700025 25.0/.984 14.3/.563 13.5/.531 16.3/.641 50 $23.90
 
2/0 AWG
(70.00mm2)

True 2/0 AWG
(67.00mm2)
N700030 30.0/1.18 14.3/.563 13.5/.531 16.3/.641 50 $19.70
SF670030 30.0/1.18 12.4/.488 11.8/.465 14.5/.570 50 $25.65
NT700030 30.0/1.18 14.3/.563 13.5/.531 16.3/.641 50 $29.10
 
2/0 AWG
(70.00mm2)

True 2/0 AWG
(67.00mm2)
N700032 32.0/1.26 14.3/.563 13.5/.531 16.3/.641 50 $21.06
SF670032 32.0/1.26 12.4/.488 11.8/.465 14.5/.570 50 $27.00
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3/0 AWG
(95.00mm2)
N950020 20/.79 15.2/.6 14.5/.57 17.3/.681 50 $21.00
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NT950020 20/.79 15.2/.6 14.5/.57 17.3/.681 50 $31.20
 
3/0 AWG
(95.00mm2)
N950025 25.0/.984 15.2/.6 14.5/.57 17.3/.681 50 $22.82
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NT950025 25.0/.984 15.2/.6 14.5/.57 17.3/.681 50 $33.60
 
3/0 AWG
(95.00mm2)
N950030 30.0/1.18 15.2/.6 14.5/.57 17.3/.681 50 $26.10
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NT950030 30.0/1.18 15.2/.6 14.5/.57 17.3/.681 50 $38.48
 
3/0 AWG
(95.00mm2)
N950032 32.0/1.26 15.2/.6 14.5/.57 17.3/.681 50 $28.48
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3/0 AWG
(95.00mm2)
N950034 34.0/1.39 15.2/.6 14.5/.57 17.3/.681 50 $29.58
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4/0 AWG
(120.00mm2)

True 4/0 AWG
(112.00mm2)
N1200020 20.0/.787 17.7/.697 16.7/.657 19.0/.748 25 $12.10
SF1120020 20.0/.787 16.0/.63 15.0/.59 17.5/.69 25 $17.42
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4/0 AWG
(120.00mm2)

True 4/0 AWG
(112.00mm2)
N1200030 30.0/1.18 17.7/.697 16.7/.657 19.0/.748 25 $17.15
SF1120030 30.0/1.18 16.0/.63 15.0/.59 17.5/.69 25 $25.92
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4/0 AWG
(120.00mm2)

True 4/0 AWG
(112.00mm2)
N1200032 32.0/1.26 17.7/.697 16.7/.657 19.0/.748 25 $18.50
SF1120032 32.0/1.26 16.0/.63 15.0/.59 17.5/.69 25 $26.73
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4/0 AWG
(120.00mm2)

True 4/0 AWG
(112.00mm2)
N1200034 34.0/1.39 17.7/.697 16.7/.657 19.0/.748 25 $21.10
SF1120034 34.0/1.39 16.0/.63 15.0/.59 17.5/.69 25 $28.89
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4/0 AWG
(120.00mm2)
N1200038 38.0/1.5 17.7/.697 16.7/.657 19.0/.748 25 $25.20
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4/0 AWG
(120.00mm2)

True 4/0 AWG
(112.00mm2)
N1200040 40.0/1.57 17.7/.697 16.7/.657 19.0/.748 25 $27.28
SF1120040 40.0/1.57 16.0/.63 15.0/.59 17.5/.69 25 $24.29
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