what ampage do i use to change a switch on a 3kw dual immersion
cylinder tank(economy 7).The switch is just a rocker switch going to the bottom immersion .I have a timer on the top immersion(mostly i use)
what does the dp mean in 20 amp dp.
,i just want to fit a single switch to the bottom immmersion.
the top tank of this dual tank cylinder has a timer switch already, this is the one i use daily .The bottom tank and single switch will just be used weekly
You might find that this is covered under part p requirements (and changes made by 17th edition) ......double pole breaks both live AND neutral circuits in the event of cross wiring within the circuit. If it isn't on its own circuit already is needs to be ...... and rcd protected
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