Bathroom Light Switch Wiring

Enclosed lighting like these downlights is recommended for bathrooms heaters and towel rails.

Bathroom light switch wiring. Connect the white wire from the switch to the black wire from all new light fixtures. In electrical work a pigtail is a collection of seamed wires along with a short. The other terminal is marked as l1 and is the output to the light fixture. Light fixtures and wall switches must be on a separate circuit.

Connect the black wire from the switch to the black wire coming from the existing circuit. This is the most important part of any. A basic wiring plan for a bathroom includes a 20 amp gfci protected circuit for the receptacles and a 15 amp general lighting circuit for the switches light fixtures and vent fan. Connect all remaining white wires and twist all ground wires together.

A one way light switch has two terminals which is a common marked as com or c. A 6 amp version to control lights a 45 amp version used as an isolator for an electric shower. The vent fan may be powered by this circuit. Install the light fixtures by following the manufacturer s directions.

You re going to have to make pigtails. The permanent live wire is wired into the switch and the switched live into the switched live terminal. The common is for the live wire that supplies the input voltage to the switch. A 15 amp circuit is minimum but this is often a 20 amp circuit especially if there is a heat lamp integrated into this circuit.

Instead of taking the feed wire from the consumer unit to the ceiling rose it is taken to the switch. The red wire from the feed cable is connected to the top terminal the red wire going to the light is connected to the bottom terminal the black wires from both cables are connected together in a plastic terminal block and the earth wires are connected to the earth terminal. A pull cord switch is typically mounted to the ceiling with the pull cord hanging down most often used in a bathroom or toilet and generally available in two types and ratings. The neutrals are connected together using a terminal connector.

A ceiling mounted pull cord is the safest option. How to wire a bathroom fan and light on one switch a word of caution. A typical everyday light switch is a danger due to the potential dampness and wet hands that might come into contact with it. A separate circuit is required for a whirlpool tub or any other large fixture or appliance in the bathroom.

The cable going to the light switch is connected as follows fig 2. Turn off the switch that controls the light and fan circuit.