Noninsulated Splices | McMaster-Carr

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	Splice Type Splice Type

Crimp-On Splice

	Type Type

	Wire Connection Type Wire Connection Type


Crimp On	Screw-Clamp Terminals

Compression

	Insulation Insulation	Show

	Noninsulated

	Insulation Insulation	Hide


Fully Insulated	Noninsulated

Barrel Insulated

	Maximum Temperature Maximum Temperature

175° to 199° F

250° to 499° F

500° F or greater

	Length Length

	Terminal Material Terminal Material

	Terminal Finish Terminal Finish

	For Wire Type For Wire Type

	Maximum Voltage Maximum Voltage

	Specifications Met Specifications Met

	For Number of Wires For Number of Wires

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

	For Wire Material For Wire Material

	Color Color

	Black		Blue
	Brown		Gray
	Gray with Blue Stripe		Gray with Red Stripe
	Gray with Yellow Stripe		Green
	Orange		Pink
	Purple		Red
	Yellow

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Wire Slot Width Wire Slot Width

	For Minimum Tap Wire Gauge For Minimum Tap Wire Gauge

	Number of Pieces Number of Pieces

	Head Width Head Width

	For Minimum Tap Wire Type For Minimum Tap Wire Type

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64 Products

Noninsulated Crimp-On Butt Splices

These splices can withstand higher temperatures than insulated splices.

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

For Wire Gauge	Lg.	Terminal Material	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
22-18	0.6"	Tin-Plated Copper	345°	UL Listed, CSA Certified	100	0000000	000000
16-14	0.6"	Tin-Plated Copper	345°	UL Listed, CSA Certified	100	0000000	00000
12-10	0.6"	Tin-Plated Copper	345°	UL Listed, CSA Certified	100	0000000	00000
8	0.8"	Tin-Plated Copper	345°	UL Listed, CSA Certified	10	0000000	00000
6	1"	Tin-Plated Copper	345°	UL Listed, CSA Certified	10	0000000	00000
4	1.1"	Tin-Plated Copper	345°	UL Listed, CSA Certified	5	0000000	00000

High-Temperature Crimp-On Butt Splices

Able to withstand temperatures up to 900° F, these splices are suitable for use in high-heat applications such as ovens, motors, and light fixtures.

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

For Wire Gauge	For Wire Type	Lg.	Terminal Material	Max. Temperature, °F	Pkg. Qty.		Pkg.
22-18	Stranded	0.56"	Nickel-Plated Steel	900°	100	0000000	000000
16-14	Stranded	0.56"	Nickel-Plated Steel	900°	100	0000000	00000
12-10	Stranded	0.56"	Nickel-Plated Steel	900°	100	0000000	00000

Noninsulated Reducing Crimp-On Butt Splices

These splices can withstand higher temperatures than insulated splices. Use them to connect two wires of different sizes—one end of the splice is larger than the other. They have a colored stripe on the smaller end.

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

For Wire Gauge	Lg.	Color	Terminal Material	Max. Temperature, °F	Specifications Met	Pkg. Qty.		Pkg.
16-14 to 22-18	0.7"	Gray with Red Stripe	Tin-Plated Copper	300°	UL Listed, CSA Certified	10	000000	00000
12-10 to 16-14	0.8"	Gray with Blue Stripe	Tin-Plated Copper	300°	UL Listed, CSA Certified	10	000000	0000
8 to 12-10	0.9"	Gray with Yellow Stripe	Tin-Plated Copper	300°	UL Listed, CSA Certified	10	000000	00000
6 to 8	1.1"	Gray with Red Stripe	Tin-Plated Copper	300°	UL Listed, CSA Certified	10	000000	00000

Noninsulated Screw-Down Butt Splices

Tighten the screws to connect wires.

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

For Wire Gauge	Lg.	For Wire Material	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met		Each
14-2	1.19"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
14-1/0	1.91"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	0000
4-500 MCM	3.88"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
6-250 MCM	2.31"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
10-350 MCM	2.46"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
250-750 MCM	5.44"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	000000
500-1000 MCM	8.69"	Aluminum, Copper	Tin-Plated Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	000000

Compression Butt Splices

For use with a compression tool, these splices are color-coded to match compression dies. They are marked with the wire size and compression die reference number. All have a center stop to make sure wire is inserted to the proper depth.

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

For Wire Gauge	Lg.	Color	For Wire Type	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met		Each
8	1.75"	Red	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
6	1.75"	Blue	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
4	1.75"	Gray	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
2	1.875"	Brown	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
1	1.875"	Green	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
1/0	1.875"	Pink	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
2/0	2"	Black	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
3/0	2.125"	Orange	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
4/0	2.125"	Purple	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
250 MCM	2.25"	Yellow	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
350 MCM	2.375"	Red	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000

Double-Compression Butt Splices

Compress the barrel twice on each end for an extra-tight grip in high-vibration applications. For use with a compression tool, these splices are color-coded to match compression dies. All are marked with the wire size and compression die reference number. Splices have a center stop to make sure wire is inserted to the proper depth.

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

For Wire Gauge	Lg.	Color	For Wire Type	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met		Each
6	2.375"	Blue	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
4	2.375"	Gray	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
2	2.625"	Brown	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
1	2.875"	Green	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
1/0	2.875"	Pink	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
2/0	3.125"	Black	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
3/0	3.125"	Orange	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
4/0	3.375"	Purple	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
250 MCM	3.375"	Yellow	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
350 MCM	4.125"	Red	Stranded	Tin-Plated Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000

Noninsulated Crimp-On Wire Splicing Connectors

Twist stripped wires together, insert them into the connector, and then crimp for a dependable connection.

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

For Wire Gauge	For Common Wire Combinations	For Wire Type	Terminal Material	Pkg. Qty.		Pkg.
22-14	Three 20-ga. Wires with One 22-ga. Wire, One 16-ga. Wire with One 18-ga. Wire	Solid, Stranded	Tin-Plated Copper	50	0000000	00000
22-12	Three 20-ga. Wires with One 22-ga. Wire, One 14-ga. Wire with One 16-ga. Wire	Solid, Stranded	Tin-Plated Copper	50	0000000	0000
18-8	Four 16-ga. Wires with One 18-ga. Wire, One 8-ga. Wire	Stranded	Tin-Plated Copper	50	0000000	00000
16-10	One 16-ga. Wire with One 18-ga. Wire, One 12-ga. Wire with One 16-ga. Wire	Solid, Stranded	Tin-Plated Copper	50	0000000	0000

Screw-Down Split-Bolt Splices

Splice large wire sizes without special tools—insert your wires and tighten the hex nut to make a connection. The hex nut can be loosened to disconnect if needed.

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

For Copper Wire
For Wire Gauge	For Wire Type	For Min. Tap Wire Gauge	For Min. Tap Wire Type	Wire Slot Wd.	Head Wd.	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met		Each
16-8	Stranded, Weld Wire	16	Stranded	0.15"	0.38"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
10-6	Solid, Weld Wire	16	Solid	0.17"	0.5"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
8-4	Solid, Weld Wire	16	Solid	0.22"	0.56"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
6-2	Solid, Stranded, Weld Wire	14	Stranded	0.33"	0.69"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
6-2	Solid, Weld Wire	12	Solid	0.33"	0.69"	Copper	600V AC	190°	UL Listed, CSA Certified	00000000	0000
4-1/0	Solid, Stranded, Weld Wire	14	Solid	0.38"	0.75"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
2-2/0	Solid, Stranded, Weld Wire	14	Stranded	0.42"	0.81"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
2-3/0	Solid, Stranded, Weld Wire	12	Solid	0.47"	0.88"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
1/0-250 MCM	Solid, Weld Wire	10	Solid	0.58"	1"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
4/0-350 MCM	Stranded, Weld Wire	8	Solid	0.75"	1.5"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
250-500 MCM	Weld Wire	8	Solid	0.83"	1.63"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
350-750 MCM	Weld Wire	8	Solid	1.03"	1.94"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
For Copper and Aluminum Wire
10-6	Solid, Stranded	10	Solid	0.21"	0.56"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
8-4	Solid, Stranded	10	Solid	0.26"	0.62"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
6-2	Stranded	8	Stranded	0.33"	0.69"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
2-2/0	Stranded	8	Stranded	0.44"	0.88"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
2-4/0	Stranded	6	Stranded	0.55"	1.13"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000

Terminal and Splice Assortments

Use the included crimping tool to install a variety of terminals and butt splices.

Noninsulated

Number of Pieces	Includes	Max. Temperature, °F	Specifications Met		Each
240	Crimping Tool Ring Terminals (16-10 AWG) Spade Terminals (22-14 AWG) Male and Female Quick-Disconnect Terminals (16-14 AWG) Butt Splices (22-10 AWG) Plastic Case	300°	UL Listed, CSA Certified	0000000	000000
900	Crimping Tool Ring Terminals (22-10 AWG) Spade Terminals (22-10 AWG) Male and Female Quick-Disconnect Terminals (16-14 AWG) Butt Splices (22-10 AWG) Metal Case	300°	UL Listed	000000	000000

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)