RHW-2 Wire | McMaster-Carr

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15 Products

About Wire and Cable

Compare wire vs. cable and choose the right option based on gauge, number of conductors, insulation, and current rating.

Outdoor Lead Wire

The EPDM insulation on this wire won’t become brittle or crack from sunlight, humidity, rain, temperature changes, abrasion from dirt and debris, and other rough outdoor conditions. It meets Mine Safety and Health Administration (MSHA) standards for material quality.

2,000V AC

DLO Cable—DLO wire carries higher voltages than SC wire, making it the better choice for heavy duty applications. Use it to run power to motors, cranes, and other equipment in shipyards, mines, and oil- and gas-drilling rigs. Also known as diesel locomotive cable, this wire was originally designed to wire trains. An outer layer of chlorinated polyethylene plastic (CPE) gives it increased resistance to chemicals, heat, and flames. It’s also rated RHW-2, so it can be used underground and in wet locations.

UL 2556 FT4—All are flame rated, so they meets requirements for preventing the spread of flames based on a timed test. FT4 wire is mounted to a vertical tray during testing.

	Current @ Temp.	OD	Max. Temp., ° F	Outer Jacket Material	Inner Insulation Material	Outer Jacket Color	Cable Designation	Certification	Flammability Rating		10 ft. Long	25 ft. Long	50 ft. Long	100 ft. Long
Stranded Wire



	12	Not Rated	0.21"	190	CPE	EPDM	Black	DLO, RHW-2	MSHA Accepted, UL Listed	UL 2556 FT4	6584T24	000000	000000	000000	000000


	10	Not Rated	0.27"	190	CPE	EPDM	Black	DLO, RHW-2	MSHA Accepted, UL Listed	UL 2556 FT4	6584T25	00000	00000	00000	000000
	8	55 amp @ 86° F	0.33"	190	CPE	EPDM	Black	DLO, RHW-2	CSA Certified, MSHA Accepted, UL Listed	UL 2556 FT4	6584T26	00000	00000	000000	000000
	6	75 amp @ 86° F	0.37"	190	CPE	EPDM	Black	DLO, RHW-2	CSA Certified, MSHA Accepted, UL Listed	UL 2556 FT4	6584T27	00000	00000	000000	000000
	4	95 amp @ 86° F	0.44"	190	CPE	EPDM	Black	DLO, RHW-2	CSA Certified, MSHA Accepted, UL Listed	UL 2556 FT4	6584T28	00000	000000	000000	000000
	2	130 amp @ 86° F	0.5"	190	CPE	EPDM	Black	DLO, RHW-2	MSHA Accepted, UL Listed	UL 2556 FT4	6584T29	00000	000000	000000	000000
	1/0	170 amp @ 86° F	0.65"	190	CPE	EPDM	Black	DLO, RHW-2	CSA Certified, MSHA Accepted, UL Listed	UL 2556 FT4	6584T31	000000	000000	000000	000000
	2/0	195 amp @ 86° F	0.69"	190	CPE	EPDM	Black	DLO, RHW-2	MSHA Accepted, UL Listed	UL 2556 FT4	6584T32	000000	000000	000000	000000
	4/0	260 amp @ 86° F	0.82"	190	CPE	EPDM	Black	DLO, RHW-2	MSHA Accepted, UL Listed	UL 2556 FT4	6584T33	000000	000000	000000	00000000

UV-Resistant Lead Wire

Also known as photovoltaic (PV) wire, this wire won’t deteriorate from UV light when used outdoors. Often used in solar panels, the cross-linked polyethylene (XPLE) insulation won’t break down from prolonged exposure to high temperatures. The insulation also resists chemicals. An RHW-2 industry designation means this wire withstands underground and wet locations.

600V AC

													Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Temp. Range, ° F	Outer Jacket Material	Outer Jacket Color	Cable Designation	Certification	Flammability Rating	Choose a Length, ft.		1-99	100-Up
Stranded Wire



		12	56/29	55 amp @ 86° F	0.21"	-40 to 190	Cross-Linked Polyethylene	Black	PV, RHW-2	UL Listed	UL 2556 VW-1	10, 25, 50, 100, 500	3022N76	00000	00000


		10	84/29	70 amp @ 86° F	0.24"	-40 to 190	Cross-Linked Polyethylene	Black	PV, RHW-2	UL Listed	UL 2556 VW-1	10, 25, 50, 100, 500	3022N77	0000	0000
		8	157/29	98 amp @ 86° F	0.28"	-40 to 190	Cross-Linked Polyethylene	Black	PV, RHW-2	UL Listed	UL 2556 VW-1	10, 25, 50, 100, 500	3022N78	0000	0000

2,000V AC/2,000V DC

					Temp., ° F
	AWG	Wire Strand Count	Current @ Temp.	OD	Min.	Max.	Outer Jacket Material	Cable Designation	Certification	Flammability Rating	Choose an Outer Jacket Color		10 ft. Long	25 ft. Long	50 ft. Long	100 ft. Long
Stranded Wire



		12	19/25	40 amp @ 86° F	0.21"	-40	190	Cross-Linked Polyethylene	PV, RHW-2	C-UL Listed, UL Listed	UL 2556 VW-1	Black, Red	3022N5	00000	000000	000000	000000


		10	19/23	40 amp @ 86° F	0.24"	-40	190	Cross-Linked Polyethylene	PV, RHW-2	C-UL Listed, UL Listed	UL 2556 VW-1	Black, Red	3022N2	00000	00000	00000	000000
		8	19/21	55 amp @ 86° F	0.3"	-40	190	Cross-Linked Polyethylene	PV, RHW-2	C-UL Listed, UL Listed	UL 2556 VW-1	Black, Red	3022N3	00000	00000	00000	000000