T-Tap Splice Connectors | McMaster-Carr

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17 Products

Insulation-Piercing Wire Taps

Tap/Main

2-Wire Pigtail

Inline

Double Run

Connect a tap wire to a main wire without stripping—these wire taps penetrate insulation. To install, squeeze the tap with standard pliers; a built-in U-shaped metal contact penetrates the insulation and grips the wire.

UL 94 V-2 or V-0 rated taps meet flammability standards.

For technical drawings and 3-D models, click on a part number.

For Wire Gauge
Stranded	Solid	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
Tap/Main Wire Connection
22-16	22-16	Red	Polypropylene Plastic	Tin-Plated Brass	600V AC	220°	UL Listed, CSA Certified, UL 94 V-2	25	0000000	000000
12-10	12-10	Brown	Polypropylene Plastic	Tin-Plated Brass	600V AC	220°	UL Listed, CSA Certified, UL 94 V-2	25	0000000	00000
2-Wire Pigtail, Inline, Tap/Main Wire Connection
22-18	18	Red	Polypropylene Plastic	Tin-Plated Brass	600V AC 600V DC	220°	UL Listed, UL 94 V-0	50	0000000	00000
18-14	16	Blue	Polypropylene Plastic	Tin-Plated Brass	600V AC 600V DC	220°	UL Listed, UL 94 V-0	50	0000000	00000
12-10	__	Yellow	Polypropylene Plastic	Tin-Plated Brass	600V AC 600V DC	220°	UL Listed, UL 94 V-0	50	0000000	00000
2-Wire Pigtail, Inline, Tap/Main, Double Run Wire Connection
18-14	18-14	Red	Polypropylene Plastic	Tin-Plated Brass	32V AC 32V DC	190°	__	25	0000000	0000
18-14	18-14	White	Polypropylene Plastic	Tin-Plated Brass	32V AC 32V DC	190°	__	25	0000000	0000
12-10	12	Yellow	Polypropylene Plastic	Tin-Plated Brass	600V AC 600V DC	190°	UL Listed	25	0000000	00000

Moisture-Resistant Insulation-Piercing Wire Taps

Tap/Main

Filled with gel, these taps seal out moisture. Use them to connect a tap wire to a main wire without stripping—they penetrate insulation. To install, squeeze the tap with standard pliers; a built-in U-shaped metal contact penetrates the insulation and grips the wire.

UL 94 V-2 rated taps meet flammability standards.

For technical drawings and 3-D models, click on a part number.

For Wire Gauge
Stranded	Solid	For Number of Wires	Max. Insulation OD	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
Tap/Main Wire Connection
__	26-19	2	0.08"	Blue and Clear	Polypropylene Plastic	Tin-Plated Copper	30V AC	285°	__	50	0000000	000000
18-14	18-16	__	__	Blue	Polypropylene Plastic	Tin-Plated Brass	600V AC	190°	UL Listed, CSA Certified, UL 94 V-2	10	0000000	00000

Tap-to-Connector Insulation-Piercing Wire Taps and Plugs

Snap Plug

Parallel Tap

Tap a wire or add a finished terminal to the end of a wire. The parallel taps quickly connect to your wire without stripping the wire first. Squeeze the tap with standard pliers and the U-shaped contact pierces the insulation and grips the wire. Insert a snap plug into the parallel tap. Parallel tap and snap plug are sold separately.

Snap Plug
For Wire Gauge	For Wire Type	Color	Gender	Dia.	Insulation	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Pkg. Qty.		Pkg.
16-14	Solid, Stranded	Blue	Male	0.16"	Barrel Insulated	Nylon Plastic	Tin-Plated Copper	Not Rated	220°	10	000000	00000
Parallel Tap with Inline Wire Connection
18-14	Solid, Stranded	Black	__	__	Fully Insulated	Polypropylene Plastic	Tin-Plated Copper	32V AC	190°	10	000000	00000

Quick-Disconnect T-Taps

Taps connect to wires with male quick-disconnect terminals. Use a crimper for wire installation; you do not need to strip wire.

For technical drawings and 3-D models, click on a part number.

		For Quick-Disconnect
For Wire Gauge	Color	Tab Wd.	Tab Thick.	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
Inline Wire Connection
22-18	Red	0.25"	0.032"	Nylon Plastic	Tin-Plated Brass	600V AC	220°	UL Listed, CSA Certified	25	00000000	000000
18-14	Blue	0.25"	0.032"	Nylon Plastic	Tin-Plated Brass	600V AC	220°	UL Listed, CSA Certified	25	00000000	00000
12	Yellow	0.25"	0.032"	Nylon Plastic	Tin-Plated Brass	600V AC	220°	UL Listed, CSA Certified	25	00000000	00000

Moisture-Resistant Insulation-Piercing Butt Splices

Connect wire without stripping—these splices pierce the insulation for quick installation. The pigtail connections have a gel seal to protect the connection from humidity, water, and dirt.

Pliers (sold separately) are recommended to install wire.

For technical drawings and 3-D models, click on a part number.

2-Wire Pigtail, 3-Wire Pigtail Connection

With 2-Wire and 3-Wire Pigtail Connections

2-Wire Pigtail

3-Wire Pigtail

Splices											Pliers
For Wire Gauge	For Wire Type	Max. Insulation OD	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Pkg. Qty.		Pkg.		Each
22-14	Solid, Stranded	0.15"	Blue, White	Nylon Plastic	Tin-Plated Brass	600V AC	220°	10	0000000	000000	000000	000000