DIY Splicing Electrical Wire. 1. Safety First: Always turn off the power to the circuit you're working on by switching off the breaker or removing the fuse. 2. Use the Right Tools: Ensure you have the proper tools, including wire strippers, connectors, and a voltage tester. 3. Plan Your Wiring: Create a clear plan for where and how you want to connect the wires. 4. Strip Wires: Carefully strip the insulation from the ends of the wires, leaving just enough to make a proper connection. 5. Connect