In Bangladesh the color of live is green and neutral is blue and ground is black.
The chasis is the ground. There is no wire.
The ground wire at the bulbs is black.
black
Sorry, there is no "ground wire" for a microphone. Commercial microphones have shielded symmetric wiring. Cheers ebs
green
There are for stereo wiring color codes. The red wire is the positive wire. The black wire is a ground wire. The green wire is the speaker wire. The white wire is the auxiliary wire.
Depends on what you are wiring. Green is a common color used for ground. Sometimes it is just a bare copper wire.
simple rule of car electronics: The black wire is ALWAYS ground
White is the neutral wire. Black is hot, green is ground.
green
The red wire is the positive wire. The black wire is the ground wire. The white wire is the auxiliary wire.