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    Running 3 phase and single phase links from a single RCD

    I've got two 3 phase distribution boards in our home workshops. Both boards are protected by 4 pole RCD incomers and independently connected to a busbar chamber. Both are fitted with a combination of 3 phase and single phase MCBs. I've just discovered that I shouldn't be running both 3...
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    Worktop in a shower room

    Looked at stone and marble, but the worktops need to be removable for access to the cistern etc. and will be secured from underneath. I could glue wooden strips or blocks to the underside of the stone, but I'm struggling for space as it is. I was just wondering if there was a specific...
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    Worktop in a shower room

    Can anyone recommend which wood to use for a worktop in a bathroom? There are two small sections either side of a rectangular basin, one is 990mm long, the other 300mm - both will be 30mm thick and about 250mm deep. I've already built the cabinet, which has a visible oak frame treated...
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    Kitchen sockets - 2.5mm or 4mm cable?

    I've read/been told that it is standard practice to use 16A breakers on all ring mains sockets, using 2.5mm twin and earth cable, except for the kitchen circuit which should be fitted with a 32A breaker - does this mean that 4mm cable should ideally be used in this circuit? As I've also read...
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    Honeywell T6360B to CM901 replacement with wiring centre

    Hi, I came across your post on Google - I've just got hold of a CM901 which I've bought to replace a T6360B. It's connected to a master wiring centre on the underfloor heating manifold by a 3 core and earth cable. None of the wiring diagrams shown in the installation booklet are similar to...
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    Replace a manual room thermostat with a programmable one

    Thank you, I've just ordered a 1 day model. There's no timer facility on the system so the bedrooms get a bit uncomfortable around 3/4am!
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    Replace a manual room thermostat with a programmable one

    I want to replace a Honeywell T6360B manual room thermostat with a programmable one - does anyone know of a compatible model? The current unit has 3 wires + earth and is wired to a master control centre on the underfloor heating.
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    Smoke alarms - fire rated interconnecting cable?

    Very helpful document - thank you
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    Smoke alarms - fire rated interconnecting cable?

    I need some advice before running the cables for the smoke alarms in my self build. Can I use standard 1.5mm 3 core and earth to interlink the smoke alarms, or should the cable be fire rated instead? There will be 5 units (3 optic, 1 ion, 1 heat) connected to an independent supply at the...
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