A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices.
Red Yellow Blue Electrical Wires. Blue and yellow electrical wires. The latest changes to wiring colours. These wires carry power but aren t used in typical outlet wiring.
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Phase 1 red phase 2 white phase 3 dark blue neutral black earth green. I m guessing these are probably low voltage thermostat wires that come from the heater and not from a power source. Blue and yellow wires are most commonly found in commercial buildings and are used as the live wires pulled through a conduit. 3 core cable was changed from red live to brown live neutral blue to neutral grey additional from yellow to black with earth bare or green yellow.
The color of the sheathing indicates recommended.
Blue and yellow electrical wires. Active red neutral black earth green. The color of the sheathing indicates recommended. The neutral is white the hot live or active single phase wires are black and red in the case of a second active. The list below also outlines the different colour.
