How do you replace a double rocker light switch?

Instructions

  1. Turn Off the Power and Prep the Cover Plate.
  2. Remove the Old Cover Plate.
  3. Remove the Switch Screws.
  4. Check the Wiring.
  5. Remove the Old Switch.
  6. Strip the Wire Ends (as needed)
  7. Orient the New Switch.
  8. Connect the New Switch.

How do you replace a switch with two black wires?

Connect the top screw to the wire that feeds to the light. Connect the bottom screw to the hot wire. When you turn the power back on, and if you want to swap the direction of the switch (as in press down to turn off, or turn on), turn off the power and switch the two black wires.

What is a double switch electrical?

Double switching, double cutting, or double breaking is the practice of using a multipole switch to close or open both the positive and negative sides of a DC electrical circuit, or both the hot and neutral sides of an AC circuit.

Do you need an electrician to change light switch?

Do I need an electrician to replace a light switch? No. If you’re replacing a broken light switch or a like-for-like one, it’s a simple task that only requires you to know how to safely isolate the circuit and some basic tools.

Why does my switch have 2 black wires?

STEP 3: Identify the terminal and ground wires. Observe the layout of the wires. You should see two black wires, each connecting to a different screw on the side of the switch. These are called terminal screws. You will also see two white (neutral) wires that connect to one another in the box.

Why would a light switch have 2 black wires?

Black means hot, white signifies neutral, and green indicates ground. However, if you need to rewire a light switch or a plug socket, you may occasionally come across two black wires. It’s essential that you determine which black wire is hot before proceeding.