Question: I see a red wire hanging for a hole in my attic, should I touch it?
Answer: No
The red wire for in electrical outlet is usually a second live wire. It allows one of the two outlets to be operated by a switch in a room. The red wire also supplies power to the other outlet when the switch is in the ‘on’ position.
It carries current and therefore it could be” HOT” don’t touch it without making sure the power is off.
Electrical outlet boxes have three wires: a black wire which is the positive electric current, a white neutral wire, and a green wire. Some boxes also have a red wire with is a second positive live wire, usually used for 220 volt devices.