CMG Wire | McMaster-Carr

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12 Products

About Wire and Cable

Communication and Security System Cable

Often used for intercoms, speakers, and security systems, this cable is designated as CM and CL2 or CMG, so the insulation is flame resistant and approved for in-wall installation in single-level facilities.

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

Shielded Stranded Wire

Shielded

Use For: Buildings, Interference Shielding
Flexible
Temperature Range: See table
Insulation: PVC Plastic

											Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Temp. Range, °F	OD	Outer Insulation Color	Inner Insulation Color	Features	Industry Designation	Length, ft.		1-99	100-Up
300V AC/300V DC
24	2	24/2	0° to 165°	0.16"	Gray	Black, Red	Uninsulated Ground Wire	CM, CMG	10, 25, 50, 100, 200, 500	00000000	00000	00000
24	3	24/3	0° to 165°	0.16"	Gray	Black, Green, Red	Uninsulated Ground Wire	CM, CMG	10, 25, 50, 100, 200, 500	00000000	000	000
24	4	24/4	0° to 165°	0.18"	Gray	Black, Green, Red, White	Uninsulated Ground Wire	CM, CMG	10, 25, 50, 100, 200, 500	00000000	000	000
24	6	24/6	0° to 175°	0.21"	Gray	Black, Blue, Brown, Green, Red, White	Uninsulated Ground Wire	CM, CMG	10, 25, 50, 100, 200, 500	00000000	000	000
24	8	24/8	0° to 175°	0.22"	Gray	Black, Blue, Brown, Green, Orange, Red, White, Yellow	Uninsulated Ground Wire	CM, CMG	10, 25, 50, 100, 500, 1,000	00000000	000	000
24	10	24/10	0° to 175°	0.25"	Gray	Black, Blue, Brown, Gray, Green, Orange, Purple, Red, White, Yellow	Uninsulated Ground Wire	CM, CMG	10, 20, 25, 50, 100, 500	00000000	000	000
24	15	24/15	0° to 165°	0.27"	Gray	Black, Black/White, Blue, Blue/Black, Blue/White, Green, Green/Black, Green/White, Orange, Orange/Black, Red, Red/Black, Red/White, White, White/Black	Uninsulated Ground Wire	CM, CMG	10, 20, 25, 50, 100, 500	00000000	0000	0000
24	25	24/25	0° to 175°	0.37"	Gray	Black, Black/Red, Black/White, Black/White/Red, Blue, Blue/Black, Blue/Red, Blue/White, Green, Green/Black, Green/Black/White, Green/White, Orange, Orange/Black, Orange/Green, Orange/Red, Red, Red/Black, Red/Black/White, Red/Green, Red/White, White, White/Black, White/Black/Red, White/Red	Uninsulated Ground Wire	CM, CMG	10, 20, 25, 50, 100, 500	00000000	0000	0000

Twisted-Pair Data Communication Cable

Use For: Data, Interference Shielding
Flexible
Temperature Range: 0° to 165° F
Insulation: PVC Plastic

This cable has twisted pairs of wires that cancel signal interference from multiple transmission lines, as well as foil and braid shielding over the entire cable. It's often used to transmit data in high speed computers near variable-frequency drive motors, where voltage fluctuations and current spikes can distort signals. The industry designation is CM and CMG, so it’s approved for in-wall installation and has flame-resistant insulation. The uninsulated ground wire is not counted in the number of wires.

											Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Transmission Speed, Mbps	Capacitance per Foot	OD	Industry Designation	Outer Insulation Color	Features	Length, ft.		1-99	100-Up
Double-Shielded Stranded Wire
300V AC
24	4	24/4	10	12.5 pF	0.27"	CM, CMG	Gray	Uninsulated Ground Wire	10, 25, 50, 100, 500	00000000	00000	00000
24	6	24/6	10	12.5 pF	0.28"	CM, CMG	Gray	Uninsulated Ground Wire	10, 25, 50, 100, 500	00000000	0000	0000
24	10	24/10	10	12.5 pF	0.33"	CM, CMG	Gray	Uninsulated Ground Wire	10, 25, 50, 100, 500	00000000	0000	0000
24	25	24/25	10	12.5 pF	0.48"	CM, CMG	Gray	Uninsulated Ground Wire	10, 25, 50, 100, 500	00000000	0000	0000