200Pcs Heat Shrink Wire Connectors

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  • Regular price $23.99
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  • Easy to identify and operate - Different colors correspond to different sizes, easy to pick up for use. A transparent sleeve provides precise inspection when stripping and inserting wires inside.
  • More Effective Way -1 Step solder and seal process for all your connections, insulated and sealed.
  • Waterproof: Unique double-wall design, external polyolefin pipe, built-in hot melt adhesive. When heated, the polyolefin tube shrinks in size, and the adhesive flows through the insulation. Double-wall tubing ensures a watertight seal to prevent wire corrosion
  • No-Slip Wire Contact - Tubing reduces in size and solder will melt and flow through the stripped wires, ensuring strong holding --- your wire will never slip out of the connector. Can be ideally used in marine and automobile applications
  • Package include: 50 pcs Solder Seal Wire Connector, 23 pcs Red, 12pcs Blue, 10pcs White, 5 pcs Yellow

Waterproof Solder Seal Wire Connectors

Nilight solder seal wire connector kit


  • Shrinkage Ratio 2:1.
  • An Easy One-Step Wire Connections.
  • Easy Identification: Color-coded connector tubing.
  • Polyolefin heat shrink butt connectors improved pullout strength.
  • High-quality wire connectors in Seal, Strain Relief, Cable Chick, and Insulation.
  • Melted solder ensures wires are strongly connected and avoids wires slipping out from the terminal.
  • Red Connectors: 23pcs
  • Blue Connectors:12pcs
  • White Connectors: 10pcs
  • Yellow Connectors: 5 pcs
  • Item Weight: 1.6 ounces
  • Product Dimensions: 4.13 x 2.76 x 0.98 inches


NIlight Solder Seal Wire Connectors


Solder and hot melt adhesive inside can be perfectly Waterproof. The connectors can prevent wires from corrosion. The transparent sleeve of the butt connectors provides Visual Inspection. --- You can control the operating temperature and heating time.

NIlight Shrinking Ratio: 2:1 Of Solder Seal Wire Connectors

Shrinking Ratio: 2:1

Comply with all relevant European standards; Shrinking ratio: 2:1. Durable Nylon + Brass; 3 colors (Red+Blue+Yellow)make it easy to identify the right side of the connector. Prevents the wire from shorting out, a perfect connection for the wire.

Nilight Wire Connectors

Apply Heat

Apply heat while continuously rotating the wire to make the connector evenly heated.

Minimum Shrink Temperature: 80℃.

Minimum Temperature for Solder to Melt:138℃.

How to use

Electric wires

Prepare the electric wires

Put the two ends of the wire which was stripped off together and twist them.


Insert the 2 wires into the connector

Move the connector to the middle of the two-wire, align the tin ring to the uncovered wire.

Apply heat Solder Seal Wire Connectors

Apply heat

Use a heat air gun until it is melted in size and the adhesive flows, filling gaps within the terminal.


No crimping required

No crimping is needed, very easy to use!