Accord Wiring Colors Black White Green. No wire with any of those colors can be used for establishing a ground or neutral connection. Industry standard for geothermal heat pumps.
A ground wire is used as a protective measure. Accord Wiring Colors Black White Green It is far more helpful as a reference guide if anyone wants to know about the homes electrical system. Is the least efficient diagram among the electrical wiring diagram.
It does this through the neutral wire which is always white.
Door Brown Rear left and Gray Rear right. In oil burner relay switches you have a black and white wire. Industry standard for geothermal heat pumps. Gray Rear Speakers LEFT.