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Hello gents I have been asked to quote for two separate jobs: one is a large house being converted into six flatlets, each to have their own CU, and all fed by a single-phase incomer, currently fitted with a 100A cutout. Each flat will probably have a maximum demand of 60A, protected by its own...

Hi - I have been flushing out the radiators in an open vented CH system in a large house (where I live) containing 20 rads, most with TRVs, but not all. There is a single boiler, two MVs, one pump, one DHW cylinder, one bypass valve. All pretty standard. I have replaced the pump with a more...

Hi - just been asked to help run a 15mm water pipe (plastic) from a friend's house to his shed (30m away). Wondering what the recommended depth is if it's burried (thinking about frost here, though below spade depth is probably minimum from the pov of mechanical damage). Cheers.

Hi- I was round at a friend's house, checking the boiler in their basement while they were away and noticed a big old ugly main incomer feeding their consumer unit. The incomer's covered in a kind of hardened cloth tape and below that, where the MET clamp is connected, it seems to be have a...

Hi - I am preparing for my NICEIC DI assessment and have a question regarding the filling out of domestic installers' electrical installation certificates. Ideally, I am looking for an answer from those sparks who already use these forms (eg form DCM2). Under 'Supply Characteristics'...