Black And White Electrical Wires. The white wire is generally considered to be what it s called a neutral wire which in other terms would be considered to be a ground but not an earth ground. Now the white wire is the neutral and is only attached to the white wire of the fixture. Phase 1 red phase 2 white phase 3 dark blue neutral black earth green.
Typically this is indicated with a band of black or red electrical tape but other colors may be used wrapped around the wire s insulation. Neutral black earth green. Remember black and red wires are always hot meaning they are source wires that carry power from the electric service panel to a destination such as an outlet or a light. However a black wire can never be used as a neutral or ground wire or for any purpose other than to carry a live electrical load.
White wires are always neutral in 110 volt circuits but can be used as the second hot wire or switch leg in 240 volt applications and three way switches respectively.
Old australian colour code multiphase. According to the national electrical codes yes. Or the bare can be attached to the box so it bonds the light fixture. White wires are always neutral in 110 volt circuits but can be used as the second hot wire or switch leg in 240 volt applications and three way switches respectively. For 120 volts ac the high side is black low side is white.