How to Make a Custom EL Wire Extension Cable

Contributors: bboyho
Favorited Favorite 4


In this tutorial, we will make a custom EL Wire extension cable as an alternative to splicing wire.

EL Wire Extension Cable Between EL Wire Sewn in Clothing and an Inverter Placed in a Pocket

This is useful if you need to:

  • extend the cable on the EL wire to an EL Inverter
  • easily disconnect the EL Wire if the inverter is in an enclosure or attached to a separate piece of clothing
  • provide additional flexibility for the cable to move around in wearable projects

Required Materials

To follow along with this project tutorial, you will need the following materials. You may not need everything though depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.

SparkFun Snappable Protoboard

SparkFun Snappable Protoboard

JST Jumper 2 Wire Assembly

JST Jumper 2 Wire Assembly



You will need a soldering iron, solder, and general soldering accessories.

Solder Lead Free - 100-gram Spool

Solder Lead Free - 100-gram Spool


Weller WLC100 Soldering Station

2 Retired

You Will Also Need

  • Electrical Tape
  • Hot Glue
  • Hot Glue Gun
  • Scissors

Suggested Reading

If you aren't familiar with the following concepts, we recommend checking out these tutorials before continuing.

How to Solder: Through-Hole Soldering

This tutorial covers everything you need to know about through-hole soldering.

Getting Started with Electroluminescent (EL) Wire

This guide will help you get started with electroluminescent (EL) wire, tape, panel, chasing wire, and bendable wire to let your project glow!

How to Work with Jumper Pads and PCB Traces

Handling PCB jumper pads and traces is an essential skill. Learn how to cut a PCB trace, add a solder jumper between pads to reroute connections, and repair a trace with the green wire method if a trace is damaged.