McMaster-Carr

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	Color Color

	Blue		Yellow
	Orange		Red
	Gray		White
	Black		Beige
	Dark Blue		Green
	Light Blue

	Wire Splicing Connector Style Wire Splicing Connector Style


Straight	Winged

	Splice Type Splice Type


Wire Connector	Butt

	For Wire Gauge For Wire Gauge

	For Common Wire Combinations For Common Wire Combinations

Five 22-ga. Wires to
One 12-ga. Wire

Four 14-ga. Wires to
One 6-ga. Wire with
One 8-ga. Wire

Four 14-ga. Wires to
Two 6-ga. Wires

Four 18-ga. Wires to
Three 10-ga. Wires

One 14-ga. Wire with
One 20-ga. Wire to
Three 14-ga. Wires with
Two 18-ga. Wires

One 16-ga. Wire with
Three 18-ga. Wires to
Two 10-ga. Wires with
One 12-ga. Wire

One 18-ga. Wire with
One 20-ga. Wire to Four
16-ga. Wires with One
20-ga. Wire

Three 12-ga. Wires to
Two 6-ga. Wires

Three 12-ga. Wires to
Two 6-ga. Wires with
One 12-ga. Wire

Three 14-ga. Wires with
One 22-ga. Wire to One
8-ga. Wire

Three 20-ga. Wires to
Three 12-ga. Wires

Three 22-ga. Wires to
Three 10-ga. Wires

Two 14-ga. Wires to
Five 12-ga. Wires

Two 14-ga. Wires to
Two 10-ga. Wires with
Two 12-ga. Wires

Two 14-ga. Wires to
Two 10-ga. Wires with
Two 14-ga. Wires

Two 18-ga. Wires to
Four 10-ga. Wires

Two 18-ga. Wires to
Four 14-ga. Wires with
One 18-ga. Wire

Two 18-ga. Wires to
Four 16-ga. Wires

Two 18-ga. Wires to
Three 10-ga. Wires

Two 18-ga. Wires to
Three 12-ga. Wires

Two 18-ga. Wires to
Two 8-ga. Wires

Two 18-ga. Wires to
Two 10-ga. Wires with
One 12-ga. Wire

Two 18-ga. Wires to
Two 16-ga. Wires with
One 18-ga. Wire

Two 18-ga. Wires to
Two 16-ga. Wires with
Two 18-ga. Wires

Two 20-ga. Wires to
Three 14-ga. Wires

Two 22-ga. Wires to
Three 16-ga. Wires

Two 22-ga. Wires to
Two 12-ga. Wires

Two 22-ga. Wires to
Two 16-ga. Wires

	Maximum Voltage Maximum Voltage

300V

600V

Not Rated

	Insulation Material Insulation Material

Plastic

Polypropylene Plastic/Rubber
Blend

Porcelain

Thermoplastic Rubber Blend

	Terminal Material Terminal Material

	Specifications Met Specifications Met

CSA

	Maximum Temperature Maximum Temperature

	Terminal Finish Terminal Finish

Zinc Plated

Tin Plated

Copper Plated

	For Wire Type For Wire Type

Stranded

Solid

	Length Length

1.1"

1.5"

1.7"

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42 Products

Twist-On Wire Splicing Connectors

Make a quick, secure wire connection without crimping.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
22-16	Two 22-ga. Wires to Three 16-ga. Wires	Blue	Polypropylene Plastic	Zinc-Plated Steel	300V	220°	UL Listed, CSA Certified	100	0000000	00000
22-16	Two 22-ga. Wires to Two 16-ga. Wires	Gray	Polypropylene Plastic	Zinc-Plated Steel	300V	220°	UL Listed, CSA Certified	100	0000000	0000
20-16	One 18-ga. Wire with One 20-ga. Wire to Four 16-ga. Wires with One 20-ga. Wire	Orange	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	100	000000	0000
18-14	Two 18-ga. Wires to Four 14-ga. Wires with One 18-ga. Wire	Yellow	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	100	000000	00000
14-10	Two 14-ga. Wires to Two 10-ga. Wires with Two 12-ga. Wires	Red	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	100	000000	00000

Watertight Twist-On Wire Splicing Connectors

Filled with silicone, these connectors seal out moisture and prevent corrosion. They make quick, secure wire connections without crimping, and can be used underground.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
22-12	Five 22-ga. Wires to One 12-ga. Wire	Gray	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	20	00000000	000000
22-8	Three 14-ga. Wires with One 22-ga. Wire to One 8-ga. Wire	Light Blue	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	2	00000000	0000
20-12	Three 20-ga. Wires to Three 12-ga. Wires	Dark Blue	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed	20	00000000	00000
18-10	Four 18-ga. Wires to Three 10-ga. Wires	Yellow	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	10	00000000	00000
14-10	Two 14-ga. Wires to Two 10-ga. Wires with Two 14-ga. Wires	Red	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	10	00000000	00000
14-6	Four 14-ga. Wires to One 6-ga. Wire with One 8-ga. Wire	Dark Blue	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	2	00000000	0000

Ultra-High Temperature Twist-On Wire Splicing Connectors

Made of porcelain, these connectors can withstand temperatures up to 1200° F. Use them to make quick, secure wire connections without crimping.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
18-16	Two 18-ga. Wires to Two 16-ga. Wires with One 18-ga. Wire	White	Porcelain	Porcelain	300V	1200°	UL Listed, CSA Certified	10	000000	00000
18-16	Two 18-ga. Wires to Two 16-ga. Wires with Two 18-ga. Wires	White	Porcelain	Porcelain	300V	1200°	UL Listed, CSA Certified	10	000000	00000
18-16	Two 18-ga. Wires to Four 16-ga. Wires	White	Porcelain	Porcelain	300V	1200°	UL Listed, CSA Certified	10	000000	00000

High Temperature Twist-On Wire Splicing Connectors

Shown With Set Screw

Rated to 300° F, these connectors are an excellent choice for use in high-temperature applications such as HID lighting and electric heat. Use them to make quick, secure wire connections without crimping.

Connectors with a set screw have an inner barrel with a set screw that firmly holds wires to provide a secure grip in high-vibration applications.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Features	Pkg. Qty.		Pkg.
20-16	One 18-ga. Wire with One 20-ga. Wire to Four 16-ga. Wires with One 20-ga. Wire	Black	Thermoplastic Rubber Blend	Zinc-Plated Steel	600V	300°	UL Listed, CSA Certified	__	100	000000	000000
20-14	One 14-ga. Wire with One 20-ga. Wire to Three 14-ga. Wires with Two 18-ga. Wires	Black	Polypropylene Plastic	Brass	600V	300°	UL Listed, CSA Certified	Set Screw	10	0000000	0000
20-14	Two 20-ga. Wires to Three 14-ga. Wires	Black	Thermoplastic Rubber Blend	Zinc-Plated Steel	600V	300°	UL Listed, CSA Certified	__	100	000000	00000
18-10	One 16-ga. Wire with Three 18-ga. Wires to Two 10-ga. Wires with One 12-ga. Wire	Black	Polypropylene Plastic	Brass	600V	300°	UL Listed, CSA Certified	Set Screw	10	0000000	00000

Space-Saver Twist-On Wire Splicing Connectors

Suitable for use in tight spaces, these connectors have a narrow profile that takes up less space than standard wire splicing connectors. Use them to make quick, secure wire connections without crimping.

Grounding connectors have a hole in the top that allows a single ground wire through while multiple wires remain connected inside.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Features	Pkg. Qty.		Pkg.
18-12	Two 18-ga. Wires to Three 12-ga. Wires	Yellow	Nylon Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	__	100	0000000	000000
18-10	Two 18-ga. Wires to Two 10-ga. Wires with One 12-ga. Wire	Red	Nylon Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	__	100	0000000	00000
14-12	Two 14-ga. Wires to Five 12-ga. Wires	Green	Nylon Plastic	Zinc-Plated Steel	Not Rated	220°	UL Listed, CSA Certified	Grounding	50	0000000	0000
12-6	Three 12-ga. Wires to Two 6-ga. Wires	Blue	Polypropylene Plastic	Copper-Plated Copper	600V	220°	UL Listed, CSA Certified	__	50	0000000	00000

Easy-Grip Twist-On Wire Splicing Connectors

Grip the wings on these connectors to increase leverage when tightening. Use them to make quick, secure wire connections without crimping.

Grounding connectors have a hole in the top that allows a single ground wire through while multiple wires remain connected inside.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Features	Pkg. Qty.		Pkg.
22-10	Three 22-ga. Wires to Three 10-ga. Wires	Beige	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	__	100	0000000	000000
18-12	Two 18-ga. Wires to Three 12-ga. Wires	Yellow	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	__	100	0000000	00000
18-10	Two 18-ga. Wires to Four 10-ga. Wires	Red	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	__	100	0000000	00000
14-12	Two 14-ga. Wires to Five 12-ga. Wires	Green	Nylon Plastic	Zinc-Plated Steel	Not Rated	220°	UL Listed, CSA Certified	Grounding	50	00000000	0000
12-6	Three 12-ga. Wires to Two 6-ga. Wires with One 12-ga. Wire	Blue	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	__	25	0000000	00000

Wide-Range Easy-Grip Twist-On Wire Splicing Connectors

Large enough to be used with a wide range of wire sizes, these connectors can still fit into cramped outlet boxes. The rigid plastic top protects the connection and the flexible bottom skirt allows them to conform to tight spaces. These connectors make quick, secure wire connections without crimping. Grip the wings to increase leverage when tightening.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
22-12	Two 22-ga. Wires to Two 12-ga. Wires	Blue and Orange	Polypropylene Plastic/Rubber Blend	Tin-Plated Steel	600V	220°	UL Listed, CSA Certified, CE Marked	25	0000000	00000
18-8	Two 18-ga. Wires to Two 8-ga. Wires	Red and Yellow	Polypropylene Plastic/Rubber Blend	Tin-Plated Steel	600V	220°	UL Listed, CSA Certified, CE Marked	25	0000000	0000
14-6	Four 14-ga. Wires to Two 6-ga. Wires	Blue and Gray	Polypropylene Plastic/Rubber Blend	Tin-Plated Steel	600V	220°	UL Listed, CSA Certified, CE Marked	10	0000000	0000

Underground Easy-Grip Twist-On Wire Splicing Connectors

Suitable for use underground, these connectors consist of a twist-on wire connector and an abrasion- and moisture-resistant insulator tube. The tube is filled with grease that acts as a sealant. Use these connectors to make quick, secure wire connections without crimping.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
18-10	Two 18-ga. Wires to Three 10-ga. Wires	Red, Yellow	Polypropylene Plastic/Rubber Blend	Tin-Plated Steel	600V	120°	UL Listed	2	0000000	00000

Padded Easy-Grip Twist-On Wire Splicing Connectors

Soft molding over the wings provides a comfortable grip. Use these connectors to make quick, secure wire connections without crimping.

For Wire Gauge	For Common Wire Combinations	Color	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
18-10	Two 18-ga. Wires to Four 10-ga. Wires	Beige and Red	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	50	000000	000000
18-10	Two 18-ga. Wires to Four 10-ga. Wires	Beige and Red	Polypropylene Plastic	Zinc-Plated Steel	600V	220°	UL Listed, CSA Certified	250	000000	00000

Twist-On No-Crimp Butt Splices

Insert wires and twist on the threaded end caps. The caps lock wires into place, making these splices a good choice for high-vibration applications. Convenient for field installation, they allow you to install wire quickly without the need for crimping tools.

For Wire Gauge	Lg.	Color	For Wire Type	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
24-18	1.1"	Red	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	UL Listed	9	000000	000000
16-14	1.1"	Blue	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	UL Listed	9	0000000	00000
12-10	1.5"	Yellow	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	UL Listed	7	0000000	00000
8-6	1.7"	Green	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	UL Listed	6	0000000	00000

Weather-Resistant Twist-On No-Crimp Butt Splices

Sealed threads make these splices weather resistant. Insert wires and twist on the threaded end caps. The caps lock wires into place, making these splices a good choice for high-vibration applications. Convenient for field installation, they allow you to install wire quickly without the need for crimping tools.

For Wire Gauge	Lg.	Color	For Wire Type	Insulation Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Features	Pkg. Qty.		Pkg.
18	1.1"	Red	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	Sealed Threads	4	0000000	000000
16-14	1.5"	Blue	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	Sealed Threads	4	0000000	00000
12	1.5"	Yellow	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	Sealed Threads	4	0000000	00000
10	1.7"	Green	Stranded	Nylon Plastic	Tin-Plated Brass	600V	245°	Sealed Threads	4	0000000	00000

Wire Splice and Tap Assortments

No crimping or wire stripping needed—this assortment includes twist-on wire connectors and insulation-piercing wire taps.

Number of Pieces	Includes	For Wire Type	Max. Voltage	Max. Temp., °F		Each
100	75 twist-on wire connectors for wire sizes 22-8 AWG (orange, yellow, and red) 25 insulation-piercing wire taps for wire sizes 16-10 AWG for the main connection and 18-10 AWG for the tap connection Plastic Case	Solid, Stranded	300V	220°	0000000	000000

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