All-Flex®

UL 1283 & 1284 / MTW / Lead Wire

All-Flex® is an incredibly versatile cable product often referred to as UL 1283, UL 1284, MTW (machine tool wire), THW, or lead wire. It is designed for internal and external wiring, uninterruptible power supplies, transformers, controls, battery chargers, leads, and various other industrial and OEM applications.

30 AWG ASTM Class K Bare Copper
PVC Insulation
#8 – 500 MCM
600 V / 1,000 V
-50°C – 75°C (Wet) / 105°C (Dry)
UL / cRUus / CSA / CT Use / ASTM / SAE / ABYC / FT

View Spec Sheet

Specifications

Conductors

30 AWG ASTM Class K bare copper
Rope-lay, bunch-stranded single conductor

Voltage Rating

600 V / 1,000 V (AWM Style 10269)

Insulation & Jacket

PVC compound

Resistance Properties

Battery acid, crushing force, diesel fuel, engine coolant, engine oil, ethanol, extreme temperatures, flame, gasoline, power-steering fluid, and transmission fluid

Temperature Range

-50°C to 75°C (Wet) / 105°C (Dry)
Enhanced Temperature Rating

Industry Approvals

UL 758 (AWM Styles 1232, 1283, 1284, 1337, 1338, 1339, 1581, 2556, 10070, and 10269)
UL 83 (THW, TW75, and THHW)
UL 1063 (MTW - Machine Tool Wire)
UL 1426 (BC5W2)
UL 1581 and UL 2556
CSA C22.2 No. 75 (TW75), No. 127 (TEW), No. 210 (AWM), and No. 2556
cRUus Recognized
ASTM B3, B49, and B172
SAE J1127 Type SGT
NEC (NFPA 70)
CEC (CSA C22.1)
ABYC E-11 (AC/DC - Electrical Boat Systems)
33-CFR-Subchapter S
FT-1, FT-2, FT-4, and VW-1
For CT USE (1/0 AWG and Larger)
75°C Wet Temp Rating (Water-Res)
60°C Oil Temp Rating (Oil-Res)
720 Hour UV Rating (Sun-Res)
CMRT
CA Prop 65

Available Lengths

Reels at 250’ / 500’ / 1,000’ / 2,500’
Coils at 25’ / 50’ / 100’
Custom lengths available upon request

AWG SIZE	STRAND GAUGE	STRANDING	INSULATION THICKNESS	OUTSIDE DIAMETER	AMPACITY(*)	LBS PER 1K'
			IN	IN
#8	30	182	.060	.270	80 A	77
#6	30	273	.060	.315	105 A	111
#4	30	429	.060	.350	140 A	164
#3	30	533	.060	.377	165 A	206
#2	30	676	.060	.419	190 A	247
#1	30	845	.080	.490	220 A	320
1/0	30	1,066	.080	.530	260 A	392
2/0	30	1,339	.080	.579	300 A	485
3/0	30	1,677	.080	.632	350 A	596
4/0	30	2,109	.080	.695	405 A	741
250 MCM	30	2,527	.100	.793	455 A	916
350 MCM	30	3,478	.100	.915	570 A	1,242
500 MCM	30	5,054	.100	1.130	700 A	1,815

(*) Allowable ampacity per NFPA 70 / NEC Article 310. Values are based on ambient temperature of 30°C.

AWG SIZE	STRAND GAUGE	STRANDING	INSULATION THICKNESS	OUTSIDE DIAMETER	AMPACITY*	KG PER 1K'
			MM	MM
#8	30	182	1.52	6.86	80 A	35
#6	30	273	1.52	8.00	105 A	50
#4	30	429	1.52	8.89	140 A	74
#3	30	533	1.52	9.57	165 A	93
#2	30	676	1.52	10.64	190 A	112
#1	30	845	2.03	12.45	220 A	145
1/0	30	1,066	2.03	13.46	260 A	178
2/0	30	1,339	2.03	14.71	300 A	220
3/0	30	1,677	2.03	16.05	350 A	270
4/0	30	2,109	2.03	17.65	405 A	336
250 MCM	30	2,527	2.54	20.14	455 A	415
350 MCM	30	3,478	2.54	23.24	570 A	563
500 MCM	30	5,054	2.54	28.70	700 A	823

(*) Allowable ampacity per NFPA 70 / NEC Article 310. Values are based on ambient temperature of 30°C.

Jacket Colors

Black (standard) Red

Marking Options

Quick Ink Print
Surface Ink Print
Indent Print
Sequential Footage Marking
Private Labeling / Branding

All-Flex®

UL 1283 & 1284 / MTW / Lead Wire

• 30 AWG ASTM Class K Bare Copper
• PVC Insulation
• #8 – 500 MCM
• 600 V / 1,000 V
• -50°C – 75°C (Wet) / 105°C (Dry)
• UL / cRUus / CSA / CT Use / ASTM / SAE / ABYC / FT

All-Flex®

UL 1283 & 1284 / MTW / Lead Wire

Specifications

Related Products

All-Flex®

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