WTTC Cable | McMaster-Carr

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13 Products

About Wire and Cable

Variable-Frequency Drive Motor Cable

This cable is used in variable-frequency drive motors. It has a layer of braid and foil shielding that provides excellent protection against signal interference caused by voltage fluctuations and current spikes. The industry designation is WTTC, so it can be installed in cable trays or raceway in a wind turbine generator. It’s flame rated FT4 to meet requirements for preventing the spread of flames based on a timed test with material mounted to a vertical tray. The insulation resists oil.

Cable with power wires sends electricity to run a motor. Cable with power and signal wires has an individually shielded pair of wires that connect to a brake or temperature sensor, reducing the number of cables used in areas with limited space.

Cable with an uninsulated ground wire has an additional uninsulated ground wire you can use to ground the cable’s foil shielding. Also known as a drain wire, it isn’t counted in the cable’s number of wires. Cable with three uninsulated ground wires pairs a ground wire with each power wire, so you can create multiple circuits from the same cable. These wires aren’t counted in the cable’s number of wires.

MSHA accepted cable meets Mine Safety and Health Administration (MSHA) standards for material quality.

Power Wire—Stranded with PVC Plastic Outer Insulation

Power

Power with Uninsulated Ground Wire

Use For: Motors, Interference Shielding
Flexible
Temperature Range: -40° to 220° F
Inner Insulation: Nylon Plastic, PVC Plastic

Power Wire												Per Ft.
No. of	Ga.	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Industry Designation	Features	Certification	Length, ft.		1-99	100-Up
Double Shielded—1,000V AC/1,500V DC
4	18	18/4	7 A @ 86° F	0.39"	Black	Black	WTTC	__	MSHA Accepted	5, 10, 20, 30, 50, 100	0000000	00000	00000
4	16	16/4	10 A @ 86° F	0.46"	Black	Black, Green/Yellow	WTTC	Uninsulated Ground Wire	MSHA Accepted	5, 10, 20, 30, 50, 100	0000000	0000	0000
4	14	14/4	15 A @ 86° F	0.52"	Black	Black, Green/Yellow	WTTC	__	__	5, 10, 20, 30, 50, 100	0000000	0000	0000
4	12	12/4	20 A @ 86° F	0.58"	Black	Black, Green/Yellow	WTTC	__	__	5, 10, 20, 30, 50, 100	0000000	0000	0000
4	10	10/4	30 A @ 86° F	0.7"	Black	Black, Green/Yellow	WTTC	__	__	5, 10, 20, 30, 50, 100	0000000	0000	0000
4	8	8/4	40 A @ 86° F	0.84"	Black	Black, Green/Yellow	WTTC	__	__	5, 10, 20, 30, 50, 100	0000000	00000	00000
4	6	6/4	55 A @ 86° F	1"	Black	Black, Green/Yellow	WTTC	__	__	5, 10, 20, 30, 50, 100	0000000	00000	00000
4	4	4/4	70 A @ 86° F	1.19"	Black	Black, Green/Yellow	WTTC	__	__	5, 10, 20, 30, 50, 100	0000000	00000	00000

Power Wire—Stranded with Cross-Linked Polyethylene (XLPE) Outer Insulation

Power with Three Uninsulated Ground Wires

Use For: Motors, Interference Shielding
Flexible
Temperature Range: -40° to 220° F
Inner Insulation: Polyethylene Plastic

Power Wire
No. of	Ga.	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Industry Designation	Features		5 ft.	10 ft.	20 ft.	30 ft.	50 ft.	100 ft.
Double Shielded—1,000V AC/1,000V DC
3	14	14/3	25 A @ 86° F	0.5"	Black	Black, White	WTTC	Three Uninsulated Ground Wires	0000000	000000	000000	0000000	0000000	0000000	0000000
3	12	12/3	30 A @ 86° F	0.57"	Black	Black, White	WTTC	Three Uninsulated Ground Wires	0000000	00000	00000	000000	000000	000000	000000

Power and Signal Wire—Stranded with Polyethylene Plastic Outer Insulation

Power and Signal with Uninsulated Ground Wire

Use For: Motors, Interference Shielding
Flexible
Temperature Range: -40° to 220° F
Inner Insulation: Polyethylene Plastic

Power Wire			Signal Wire
No. of	Ga.	Cable AWG	No. of	Ga.	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Industry Designation	Features		5 ft.	10 ft.	20 ft.	30 ft.	50 ft.
Double Shielded—1,000V AC/1,000V DC
4	16	16/4	2	18	18/2	18 A @ 86° F	0.57"	Black	Black, Green/Yellow	WTTC	Uninsulated Ground Wire	00000000	000000	000000	0000000	0000000	0000000
4	14	14/4	2	18	18/2	25 A @ 86° F	0.62"	Black	Black, Green/Yellow	WTTC	Uninsulated Ground Wire	0000000	00000	000000	000000	000000	000000
4	12	12/4	2	18	18/2	30 A @ 86° F	0.65"	Black	Black, Green/Yellow	WTTC	Uninsulated Ground Wire	0000000	00000	000000	000000	000000	000000