Top 9 Underground Wire Splice Kit –

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1. Advance E & I Systems

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3 Wires, 3 Connectors and 3 CLEAR Dual Wall 3M Heat Shrinks With 8" long BLACK Heavy Dual Wall 1.1" Dia. Outer sleeve, Underground Direct Burial Wire and Extension cord Splice Kit for #10#12#14 AWG

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Advance E & I Systems #ad - 3 wire splice kit for 10-12-14 AWG for Direct Burial wire splicing with Outer Sleeve. Repair with Ease and Confidence. Water/weather proofing of broken wire. Contains 3 x clear 3m shrink tubes and 3 x 3m Copper Butt Connectors and 8" 3M long 1. 1" black shrink dual wall tubing. Ease of use - use a simple Crimping tool and Shrink the tubes using Heat gun or a propane torch. Made with 3m clear and black dual wall Shrink Tubing and Electrolytic seamless Copper connectors. Made in the usa.
BrandAdvance E & I Systems #ad
ManufacturerAdvance E & I Systems #ad
Height1 Inches
Length11 Inches
Weight0.06 Pounds
Width4 Inches
Part NumberAUF1210C

2. Advance E&I Inc.

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3 CLEAR Dual Wall 3M Heat Shrinks w/ 1 8" Long BLACK Dual Wall 0.8" Dia. Outer Sleeve., Underground Direct Burial Wire and Extension Cord Splice Kit for 14-18 AWG. Using 3 16-14 AWG Butt Connectors

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Advance E&I Inc. #ad - Made with 3m clear and black dual wall Shrink Tubing and Electrolytic seamless Copper connectors. 3 wire splice kit for 18-14 awg for Direct Burial wire splicing and extension cord repairs with Outer Sleeve. Contains 3 x clear 3m shrink tubes and 3 x Copper Butt Connectors and 8" long 1. 1" black shrink dual wall tubing.
BrandAdvance E&I Inc. #ad
ManufacturerAdvance E&I Inc. #ad
Height1.2 Inches
Length11 Inches
Width5.5 Inches
Part NumberAUF1814C

3. Advance E & I Systems

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4 Connectors, and 4 CLEAR Dual Wall 3M Heat Shrinks w/ 8" Long BLACK Heavy Dual Wall 1.1" Dia. Outer Sleeve., Underground Direct Burial Wire and Extension Cord Splice Kit for #10#12#14 AWG, 4 Wires

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Advance E & I Systems #ad - 3m black outer sleeve - uv and Extra Protection. 3m seamless butt connectors - annealed and Electro-tin Plated - Perfect CRIMP every time. 4 wire splice kit for 10-14 Gauge Direct Burial wire splicing with Outer Sleeve. 3m clear tubing - seeing is believing for a Perfect SEAL every time.
BrandAdvance E & I Systems #ad
ManufacturerAdvance E & I Systems #ad
Height4 Inches
Length11 Inches
Weight0.06 Pounds
Width1.25 Inches
Part NumberAUF1210C4

4. One Stop Outdoor

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25-Pack Waterproof Direct Bury Wire Cable Splice Kit 3M, Irrigation & more 25 Pack, Low & High Voltage, 600V Max Landscape Lighting, 18 to 10 AWG, USA MADE

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One Stop Outdoor #ad - Maximum voltage: 600v. Vindustry leading volume resistivity at 73°F 23°C: ohm­cm 2. 17 x 1015. Usa made - filled with water Proof Dow Corning SP4577 Dielectric Silicone. Industry leading dielectric Strength, 50 mil gap volts/mil: >450 Maximum wire gauge 10 awg - minimum Wire Gauge 18 AWG Features.
BrandOne Stop Outdoor #ad
ManufacturerOne Stop Outdoor #ad
Height3 Inches
Length9 Inches
Width7 Inches

5. Morris Products

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Heat Shrinking Tubing – 6-1/0 AWG Dual Rated Butt Splice – for Repairing USE Cable, Morris Products Dual Rated Electrical Splice Kit 2 Screw Connector – Includes Mechanical Connector

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Morris Products #ad - Easy sealing: simply seal connections using the heat shrinking tube and a heat gun or torch for maximum results with this dual-rated electrical splice kit designed with UL listed components. Easy sealing: simply seal connections using the heat shrinking tube and a heat gun or torch for maximum results with this dual-rated electrical splice kit designed with UL listed components.

Simplified splicing: simplify the process of splicing aluminum or copper conductors for direct burial with this dual rated electrical splice kit that eliminates the need for expensive crimping tools. Options include 8-2, 3/0-250mCM and 6-1/0 AWG.

Efficient results: with a 600 volt maximum 221 degree f rating, this electrical splice kit is ideal for repairing or extending type USE cable and other electrical cables. Complete kit: this dual-rated electrical splice kit 2 screw connector includes one mechanical connector and one piece of heat shrinking tube, so you have all the tools you need in one kit.
BrandMorris Products #ad
ManufacturerMorris Products #ad
Height6 Inches
Length10 Inches
Weight0.15 Pounds
Width8 Inches
Part Number67004
Model67004

6. NSI

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Easy-Splice in-Line Gel Splice Kit with Connector, 2-4/0 AWG Wire Range

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NSI #ad - Sealing and corrosion protection provided by sealant gel. This in-line closure offers a fast and simple method for splicing, insulating and environmentally sealing low voltage cable splices. Qualified to ansi c119. 1 -1986 for underground splicing. The easy-splice in-line gel splice kit provides a sealed splice for underground, buried and overhead applications. Simply install the connector on a copper or aluminum cable, place it in the closure, and snap closed.
BrandNSI #ad
ManufacturerNSi Industries #ad
Weight0.5 Pounds
Part NumberESGS-4/0
ModelESGS-4/0

7. TE Connectivity

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Phone Splice Kit, Black, 6 Pair, 60V

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TE Connectivity #ad - Price for: each simplex/duplex: simplex item: phone splice kit connector Application: Telecommunications Connector Type: RJ45 Color: Black Number of Contacts: 1 Country of Origin subject to change: United States.
BrandTE Connectivity #ad
ManufacturerTE CONNECTIVITY #ad
Height1.6 Inches
Length9.4 Inches
Weight0.26 Pounds
Width4 Inches
Part NumberCPGI-WWG-1217204-1-K
ModelCECOMINOD030183

8. Tuhorse

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Submersible 3M Dual Wall Heat Shrink Tubing and Copper Connector for 4 Wires, Well Pump Wire Splice Kit, 10#12#14 AWG.

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Tuhorse #ad - 4 x 3m tubings and 4 x butt connectors. Dual wall heat shrink Tubing and Pure Electrolytic Copper Connector. Clear tubings allow you to see through inside the splice. Quality 3m tubings for groundwater and other water tight applications. Ideally for submersible deep well pump application.
BrandTuhorse #ad
ManufacturerUSA Made #ad
Weight0.02 Pounds
Part NumberSK4C101214
ModelSK4C101214

9. NSI

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SKAB-2, LLC Direct Burial Dual Rated Butt Splice Kit with Heat Shrink, NSi Industries, #8 to #2 AWG Wire Range

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NSI #ad - For copper and/or aluminum cables. 600 volt maximum. Ul listed. Clear point-of-purchase packaging. Utilizing a mechanical dual rated splice and matched heavy wall heat shrink tubing to create an insulated splice.
BrandNSI #ad
ManufacturerNSi Industries #ad
Weight0.1 Pounds
Part NumberSKAB-2
ModelSKAB-2