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. Immersion heaters are usually rated at 3kw which under normal circumstances would qualify them for being wired into a ring main however because immersion heaters can be left on indefinitely taking 3kw from a ring circuit would reduce the circuits capacity immensely so immersion heaters are placed on their own radial circuit.
It must be a gfci and it must be within 3 feet of the edge of the sink.
Bath sink immersion switch wiring diagram. The line cables from the two heaters are to be wired as follows. All receptacles must be afci and gfci protected either by circuit breakers or individual receptacles that offer afci and gfci protection. Diagram of immersion heater wiring.
Hi all not a spark just trying to gain some info on the following as my electrician is also confused. In some areas the lighting and receptacles must be on separate circuits so that if a receptacle trips the circuit breaker the lights won t go out. I am hoping to add a timer preferably this.
2 connected to the sink heater. 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. Every bathroom must have at least one electrical outlet.
1 connected to the bath heater. Either behind or beside the sink is acceptable across from the. Light fixtures and wall switches must be on a separate circuit.
I have an on off bath sink switch controlling a twin element immersion. Switch switches the mains supply on or off to both immersion heaters. 2 dual switch switches comply with bs 3676.
A 20 amp receptacle circuit for plug in appliances. The switch on the left is a two way switch that switches between the two heaters. Codes and regulations require all bathrooms to have certain elements such as vents waterproof lights and more to make your home smart and safe.
A bathroom is more than a pretty vanity and a soothing showerhead. The way a bathroom is laid out is actually more like an intricate piece of art.