Top 10 Underground Splice Kit –

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1. Advance E & I Systems

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

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

2. 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. 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. 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.
BrandNSI #ad
ManufacturerNSi Industries #ad
Weight0.5 Pounds
Part NumberESGS-4/0
ModelESGS-4/0

3. TE Connectivity

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60V, Black, Phone Splice Kit, 6 Pair

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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 Pounds
Width4 Inches
Part NumberCPGI-WWG-1217204-1-K
ModelCECOMINOD030183

4. Gardner Bender

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Gardner Bender HST-WP Well Pipe Splice Kit

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Gardner Bender #ad - For waterproof repair of well pipe wire. The product is manufactured in china. Easy and simple use kit. For underwater burial of well pipe cables 8 to 14 AWG. The product is well pump splice kit. Kit includes set screw splice connector and 4" heavy wall polyolefin heat shrink tubing with water-tight adhesive liner. For waterproof repair of well pipe wire. For underwater burial of well pipe cables 8 to 14 AWG. Kit includes set screw splice connector and 4" heavy wall polyolefin heat shrink tubing with water-tight adhesive liner.
BrandGardner Bender #ad
ManufacturerGB Electrical #ad
Height7.5 Inches
Length0.5 Inches
Weight0.01 Pounds
Width3.75 Inches
Part NumberHST-WP
ModelGIDDS-823204

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

6. Typson

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Heat Shrink Butt Connectors — Insulated Waterproof Wire Connector Terminals 200 PCS Electrical Connectors Kit Marine Automotive Wire Crimp Terminals Butt Splice Set 3 Colors 10-12 14-16 18-22 AWG

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Typson #ad - Polyethylene heat shrink tubes provide high tensile strength and resistance to mechanical damage. Insulated tubing - when heated, creating a solid, polyolefin and adhesive inside ensure 3:1 shrinkage, waterproof seal to prevent wire corrosion.

Safety standards - our heat shrink butt connectors comply with the CE, RoHS, and SGS standards. Top quality - Сombination of tinned copper butt splice and polyolefin tube ensures secure crimping, prevents wiring failures, ensures high current flow and minimal voltage drop. Their maximum isolation and durability allow heat shrink solder connectors to be used on a boat, in automotive, or any electrical DIY wire connecting project.

Extra durable - seamless tinned copper barrel prevents the barrel from opening and any slippage of butt connectors. 3 sizes - 200 piece electrical connectors kit consists of 3 sizes, easily identified by the wire connector terminals or by the color of wire splice connectors. 30 zip ties included.
BrandTypson #ad
ManufacturerAnma #ad
Part Number111

7. NSI

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Easy Splice Wrap Around UF Splice Kit, 8" Length, 14/2 to 8/3 with Ground Wire Range

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NSI #ad - Installers will appreciate the wrap-around design and fast installation. The unique sealing gel entirely encapsulates the splice completely sealing out moisture or other contaminants. It is rated for 600 Volt applications. Uf splice kit provides a quick and convenient method of splicing underground feeder UF cable. No heating or waiting for compounds to cure.
BrandNSI #ad
ManufacturerNSI Industries #ad
Weight0.6 Pounds
Part NumberESUF
ModelESUF

8. Advance E&I Inc.

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

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

9. 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 - 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.

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. 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

10. Advance E & I Systems

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Underground Direct Burial Wire Splice & Cord repair Kit for #18, 4 Wires, 4 CLEAR Dual Wall 3M Dual Wall Heat Shrinks With 8" long BLACK Heavy Dual Wall 0.8" Outer sleeve, 4 Connectors, #14 AWG

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Advance E & I Systems #ad - 4 wire splice kit for 18-14 awg for Direct Burial wire splicing and Extension cord repair with Outer Sleeve. Contains 4 x clear 3m shrink tubes and 4 x Copper Butt Connectors and 8" long 1. 1" black shrink dual wall tubing. Made with 3m clear and black dual wall Shrink Tubing and Electrolytic seamless Copper connectors.
BrandAdvance E & I Systems #ad
ManufacturerAdvance E & I Systems #ad
Height0.75 Inches
Length12 Inches
Weight0.06 Pounds
Width5.5 Inches
Part NumberAUF18144C