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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
1 AWG
(50.00mm2)
N500012 12.0/.472 10.8/.425 10.2/.402 12.7/.500 50 $8.56
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1 AWG
(50.00mm2)

True 1 AWG
(42.00mm2)
N500018 18.0/.709 10.8/.425 10.2/.402 12.7/.500 50 $9.18
N420018 18.0/.709 9.2/.36 8.6/.34 11.1/.44 50 $8.91
NT500018 18.0/.709 10.8/.425 10.2/.402 12.7/.500 50 $10.58
 
1 AWG
(50.00mm2)

True 1 AWG
(42.00mm2)
N500020 20.0/.787 10.8/.425 10.2/.402 12.7/.500 50 $9.32
N420020 20.0/.787 9.2/.36 8.6/.34 11.1/.44 50 $9.78
NT500020 20.0/.787 10.8/.425 10.2/.402 12.7/.500 50 $11.27
 
1 AWG
(50.00mm2)

True 1 AWG
(42.00mm2)
N500022 22.0/.866 10.8/.425 10.2/.402 12.7/.500 50 $10.10
N420022 22.0/.866 9.2/.36 8.6/.34 11.1/.44 50 $10.64
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1 AWG
(50.00mm2)

True 1 AWG
(42.00mm2)
N500025 25.0/.984 10.8/.425 10.2/.402 12.7/.500 50 $10.72
N420025 25.0/.984 9.2/.36 8.6/.34 11.1/.44 50 $12.08
NT500025 25.0/.984 10.8/.425 10.2/.402 12.7/.500 50 $14.03
 
1 AWG
(50.00mm2)

True 1 AWG
(42.00mm2)
N500030 30.0/1.18 10.8/.425 10.2/.402 12.7/.500 50 $11.65
N420030 30.0/1.18 9.2/.36 8.6/.34 11.1/.44 50 $14.38
NT500030 30.0/1.18 10.8/.425 10.2/.402 12.7/.500 50 $26.22
 
1 AWG
(50.00mm2)

True 1 AWG
(42.00mm2)
N500032 32.0/1.26 10.8/.425 10.2/.402 12.7/.500 50 $12.42
N420032 32.0/1.26 9.2/.36 8.6/.34 11.1/.44 50 $16.10
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1/0 AWG
(56.00mm2)

True 1/0 AWG
(53.00mm2)
N560020 20/.787 12/.472 11.4/.449 14.0/.551 50 $15.99
SF530020 20/.787 11.5/.452 10.9/.429 13.0/.511 50 $17.39
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1/0 AWG
(56.00mm2)

True 1/0 AWG
(53.00mm2)
N560022 22/.87 12/.472 11.4/.449 14.0/.551 50 $16.56
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1/0 AWG
(56.00mm2)

True 1/0 AWG
(53.00mm2)
N560025 25.0/.984 12/.472 11.4/.449 14.0/.551 50 $16.96
SF530025 25.0/.984 11.5/.452 10.9/.429 13.0/.511 50 $20.80
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1/0 AWG
(56.00mm2)

True 1/0 AWG
(53.00mm2)
N560030 30/1.18 12/.472 11.4/.449 14.0/.551 50 $17.83
SF530030 30/1.18 11.5/.452 10.9/.429 13.0/.511 50 $25.77
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True 1/0 AWG
(53.00mm2)
SF530032 32/1.26 11.5/.452 10.9/.429 13.0/.511 50 $26.70
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