Is red live or black?
Is red live or black? US AC power circuit wiring color codes The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.
The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.
Is blue or brown positive?
And for modern wiring: The active wire (high potential) is coloured brown (used to be red). The neutral wire (low potential) is coloured blue (used to be black).
Can I connect red and black wires together?
You should never connect two different colored wires together unless you know for sure where they are coming from and where they are going. Black and red wires are commonly used as hot wires or current carrying conductors.
What is a switch loop?
A switching loop, or bridge loop, occurs when more than one path exists between the source and destination devices. As broadcast packets are sent by switches through every port, the switch repeatedly sends broadcast messages, flooding the network and creating a broadcast storm.
