A double light switch controls two lighting circuits from one location. In the standard source configuration, one live feed is bridged across two common terminals and each button has its own switched live.

Ordinary dirt needs detergent and brushing. Mold-darkened grout or silicone may need an oxidizing cleaner, while deeply blackened silicone usually has to be replaced.

A thermostatic shower column maintains the selected temperature and usually includes a safety stop around 38 °C, while a mechanical mixer is simpler and less sensitive to scale.

A modern bathroom works through four ideas: clean lines, an open floor, a limited material palette and layered lighting.

Start by removing the shower drain cover and cleaning the trap. A plunger or drain snake handles deeper obstructions without the burn risk of caustic drain cleaner.

A wall-mounted bathroom vanity frees the floor and creates a lighter look, while a floor-standing vanity is simpler to install and places less demand on the wall structure.

Install an electric towel warmer outside restricted bathroom zones, or in Zone 2 only when the appliance is suitable for that location and meets the required protection rating, such as IPX4 where applicable.

A faucet dripping from the spout usually points to a worn cartridge or valve seal, while leaks around the handle, hose or base come from different seals.

In the French wiring system covered here, a standard outlet connects the live conductor to L, the blue neutral conductor to N, and the green/yellow protective earth conductor to the earth terminal.