CL3R Wire | McMaster-Carr

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20 Products

About Wire and Cable

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

Riser-Rated Communication and Security System Cable

This cable is designated CL3R and CMR, so it has flame-resistant insulation and is approved for use in low-current circuits in vertical shafts and large facilities with multiple levels. It’s often used in intercoms, speakers, and security systems.

Unshielded Stranded Wire

Use unshielded cable in applications where signal interference is not a concern.

					Outer Jacket		Inner Insulation
	AWG	No. of Wires	Cable AWG	OD	Material	Color	Material	Color	Temp. Range, ° F	Cable Designation	Certification	Specs. Met		10 ft. Long	25 ft. Long	50 ft. Long	100 ft. Long	250 ft. Long
300V AC/300V DC



		22	6	22/6	0.16"	PVC	Gray	PVC	Black, Blue, Brown, Green, Red, White	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T33	000000	000000	000000	000000	0000000


		22	8	22/8	0.17"	PVC	Gray	PVC	Black, Blue, Brown, Green, Orange, Red, White, Yellow	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T34	00000	00000	00000	00000	000000
		22	12	22/12	0.23"	PVC	Gray	PVC	Beige, Black, Blue, Brown, Gray, Green, Orange, Pink, Purple, Red, White, Yellow	0 to 140	CMR, CL3R	—	UL 444	8280T35	00000	00000	00000	00000	000000
		18	2	18/2	0.14"	PVC	Gray	PVC	Black, Red	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T36	0000	00000	00000	00000	00000
		18	3	18/3	0.15"	PVC	Gray	PVC	Black, Red, White	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T37	00000	00000	00000	00000	000000
		18	4	18/4	0.18"	PVC	Gray	PVC	Black, Green, Red, White	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T38	00000	00000	00000	00000	000000
		18	6	18/6	0.21"	PVC	Gray	PVC	Black, Blue, Brown, Green, Red, White	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T39	00000	00000	00000	00000	000000
		16	2	16/2	0.17"	PVC	Gray	PVC	Black, Red	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T41	0000	00000	00000	00000	000000
		16	4	16/4	0.2"	PVC	Gray	PVC	Black, Green, Red, White	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T42	00000	00000	00000	00000	000000
		14	2	14/2	0.22"	PVC	Gray	PVC	Black, Red	0 to 140	CMR, CL3R	ETL Listed, C-ETL Listed	—	8280T43	00000	00000	00000	00000	000000

Shielded Stranded Wire

Shielded cable has a layer of foil that blocks signal interference from nearby equipment and devices. It has an uninsulated ground wire that is not counted in the number of wires.

					Outer Jacket		Inner Insulation
	AWG	No. of Wires	Cable AWG	OD	Material	Color	Material	Color	Temp. Range, ° F	Features	Cable Designation	Certification		10 ft. Long	25 ft. Long	50 ft. Long	100 ft. Long	250 ft. Long
300V AC/300V DC



		22	2	22/2	0.13"	PVC	Gray	PVC	Black, Red	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T31	00000	000000	000000	000000	000000


		22	4	22/4	0.15"	PVC	Gray	PVC	Black, Green, Red, White	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T32	0000	00000	00000	00000	00000
		22	8	22/8	0.19"	PVC	Gray	PVC	Black, Blue, Brown, Green, Orange, Red, White, Yellow	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T33	00000	00000	00000	00000	000000
		18	2	18/2	0.15"	PVC	Gray	PVC	Black, Red	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T34	00000	00000	00000	00000	000000
		18	3	18/3	0.19"	PVC	Gray	PVC	Black, Red, White	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T35	00000	00000	00000	00000	000000
		18	4	18/4	0.2"	PVC	Gray	PVC	Black, Green, Red, White	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T36	00000	00000	00000	00000	000000
		18	6	18/6	0.23"	PVC	Gray	PVC	Black, Blue, Brown, Green, Red, White	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T37	00000	00000	00000	000000	000000
		16	2	16/2	0.19"	PVC	Gray	PVC	Black, Red	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T38	00000	00000	00000	00000	000000
		16	4	16/4	0.22"	PVC	Gray	PVC	Black, Green, Red, White	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T39	00000	00000	00000	000000	000000
		14	2	14/2	0.22"	PVC	Gray	PVC	Black, Red	0 to 140	Uninsulated Ground Wire	CMR, CL3R	ETL Listed, C-ETL Listed	8233T41	00000	00000	00000	00000	000000