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CoolSplice connectors elegantly combine reliability with ease of termination. No need for special tooling; a common pair of pliers is used to pushbutton terminate insulated wires into an insulation displacement crimp contact. Suitable for splicing 22 AWG to 12 AWG (0.34 mm2 - 4.0 mm2) solid and stranded wire, the CoolSplice connectors enable an industry proven reliable connection. Wires are terminated independently for ease of use, and this feature allows for factory pre-termination of one wire and field termination of the second during installation.

All CoolSplice connectors offer a gelfilled sealed version of the standard product extending use of CoolSplice into harsh environment applications requiring ingress protection from the elements. A thoughtful design includes a clear body material for visual inspection of the termination and to distinguish between our standard and sealed product.


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  • Roadway, Street and Area Lighting
  • Signs and Building Façade Lighting
  • Indoor Lighting Fixtures
  • Wiring Harness Field Repairs
  • Audio speaker connections
  • Lighting in furniture
  • Commercial refrigeration lighting
  • Display and cabinet lighting
  • Bridge and Tunnel Lighting
  • Security and alarm systems
  • Domotics (home automation)
  • Wide range of other applications

Key Benefits

  • Easy factory or field installation using independent push button termination for left and right side of the connector
  • Save installation time and eliminate the need to pre-strip wires with insulation displacement technology (IDC)
  • Save installation time through a simple push button termination
  • Enable a waterproof solution with an IPX5, IPX7 and IPX8 (2 hours, 1m under water) rated splice
  • Terminates 22 AWG to 12 AWG (0.34 mm2 - 4.0 mm2) solid and stranded wire
  1. CoolSplice Connectors (English)

TE Connectivity’s CoolSplice Connectors are IPx8 rated in-line splices suitable for outdoor applications. Wire termination is done independently by inserting a wire into the end of the connector and pushing down the color coded button with a standard pair of pliers. The connector is side-by-side stackable, enabling multi-position configurations.


Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Product Type  Wire Splice

  • Sealable  No, Yes

  • Splice Type  In-line

  • Serrated  No

  • Wire/Cable Type  Discrete Wire

  • Insulated  Yes

  • Support Style  Insulation Support

Configuration Features

  • Splice Capacity  2, 4

Electrical Characteristics

  • Current Rating (A) 15, 20, 5

  • Operating Voltage  400 VDC, 450V (IEC) / 600V (UL), 600 V, 600 VAC

Body Features

  • Button Color  Blue, Green, Red, Yellow

  • Splice Features  End Feed

  • Splice Material  Phosphor Bronze

Contact Features

  • Terminal & Splice Style  Splice

Mechanical Attachment

  • Wire Insulation Support  With


  • Wire Size (AWG) 12 – 14, 14 – 16 / 16 – 18, 18, 22 – 20

  • Wire Size (mm²) .34 – .52, .75, 1.5 – .75, 2.5 – 1.5, 4 – 2.5

  • Wire Insulation Diameter (Max) (mm) 2.85, 3.5, 4, 4.5

  • Wire Insulation Diameter (Max) (in) .112, .138, .157, .177

  • Barrel Inside Diameter  4.5 mm [ .175 in ]

  • Overall Length (mm) 36.4, 48

  • Overall Length (in) 1.433, 1.89

Usage Conditions

  • Operating Temperature Range  -40 – 105 °C [ -40 – 221 °F ]

  • UV Exposure Rated  F1, Yes


  • Heavy Duty  No

Industry Standards

  • Government Qualified  No

  • Agency/Standard Number  IEC 60988-2-3, UL 1977, UL 2459, UL 486C

  • UL Flammability Rating  UL 94V-0, UL 94V-2

  • Agency/Standard  IEC, UL

Packaging Features

  • Packaging Method  Box


  • Comment  UL

Related Materials

Datasheets & Catalog Pages

Terms and Conditions

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