I am installing a new shower which requires a booster pump due to low water pressure. The pump is to be sited underneath the bath (complies with regs) and I was wondering if it is OK, ie. legal, to wire it into the shower circuit at the isolation switch. My thought being that all the electrics associated with the shower would be on the one circuit and the need to put in a third pull cord switch eliminated.
short answer NO!
1) shower rating of MCB would be too high, would have to run in shower sized cable to local fused connection unit then to pump.
2) no requirement for pull switch for your pump, feed from FCU outside room, eg in airing cupboard etc. from local power circuit.
This is of course all part P notifiable work, unless being done by a registered leckie it needs reporting to LABC before you start.
From the question I presume you are not registered?
No I'm not registered. The cottage was rewired in 2005 (certified) before we moved in and I am using the trunking (the walls are stone built) that feeds the bathroom. The plan is to get as much done as I am able and keep the electricians work down.
Plan B re. the pump.
There is a pull cord fan heater fed from a FCU on the bathroom wall. Would removing the heater (kids will have to rough it) and using the FCU plus pull cord for the pump be acceptable? Pull cords would still number two, saves the need to feed another cable into the bathroom and straight forward job for the electrician.
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