2-Gang Switch (two lamps)
One plate with two buttons, each controlling its own lamp or group.
● Line● Neutral● Earth
Tap any wire, switch or device to see what it is.
Useful Information
Two independent loads switched from one plate — e.g. main light and wall lights, or two halves of a chandelier.
Line is looped across both switch commons; each gang sends out its own switch line.
Important to know
- Use 3-core & earth (or two cables) for the switch drop; identify all switched cores as line (514.3.2).
- Neutrals for both lamps join at the rose.
- Chandelier with two lamp groups: same wiring, both switch lines go to the fitting's two line terminals.
BS 7671:2018+A4:2026 references
132.14.1514.3.2559.5.1
Study notes paraphrased — check against your copy of BS 7671.