So I had a malfunctioning single gang switch in my garage and opened up the box to find 3 wires:
1 black red earth - seems to be providing power
2 yellow blue red - which is the circuit for the garage switches
3 yellow blue red - which is somehow sending power to the upstairs bathroom
Not come across this before so would value input on the best approach to wiring it
1 black red earth - seems to be providing power
2 yellow blue red - which is the circuit for the garage switches
3 yellow blue red - which is somehow sending power to the upstairs bathroom
Not come across this before so would value input on the best approach to wiring it