
DMX512 Fixture Wiring – 3 Steps
Check the arrow direction
Make sure the signal flow follows the arrow — always connect OUT → IN.
Connect the fixture’s power wires to the transformer/power supply
Match L, N, and PE (ground) correctly; confirm voltage and polarity before powering on.
Connect A / B / GND to the controller terminals
Wire the DMX signal lines (A, B, and GND) to the corresponding terminals on the DMX controller or decoder.