Light Switch Two Red Wires One Black. The new switch has red, black, green and yellow wires. Those two wires go to the switch and the blue-red wire goes to your lamp.
I have one in my kitchen and it scared me for years. The black wire is the hot wire that leads to the switch. Those two wires go to the switch and the blue-red wire goes to your lamp.
Wiring in the switch is a easy task for a DIY type person but be sure to call a professional if in doubt.
The black wire is the hot wire that leads to the switch.
The pigtail gives you two hot wires instead of just one. The first time I saw a red wire on a light switch, it certainly confused me. Light fixture has two wires (black and white) + ground wire.