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Most large stores have thier own transformer which they own. The need qualified maintenance guys to operate this stuff. The local DNO supply a ring main unit into the HV ring. If the store takes and HV tarrif it's cheaper if the demand is great enough. This is how Asda stores work.

Best idea would be to heavily insulate the existing run. Reduce the heat loss from these pipes and leave them be.

Don't worry, It's already gone, was dead when the pic was taken

The main cut out fuse is 100A. My concern was the inability to isolate the installation.

I recently had an isolator fitted and the chap from Scottish Power replaced the tails from the meter to the isloator and Henley with 2 browns !!

That CU looks a lot like the one I inherited in my house, approx 23 years old at this point. Check out the unprotected cable off to the shower !! [/img]

Thats good to know, it does seem to be the wind thats breaking it. Cheers

Been up in the loft and have noticed that some of the internal roofing material, a kind of material board is breaking and bursting inside the loft. Is this likely to be serious problem. Seems to be particularly on the font of the house where the prevailing wind hits.

So, you're total experience is based on your own house ? I am a professional heating design engineer, I work for one of the biggest consulting engineers in the UK. I have designed heating systems for many commercial projects. I would like to think I know what I'm talking about. Why so...

The heat output for a radiator is provided by the manufacturer for various mean water temperatures. If you want to run the system at a lower temp to avoid burns etc, you select the appropriate size of radiator based on the correction factor, just quadrupling the rad size is not going to achieve...

Thanks, Will give that a bash.

No, Standard S trap

I have relocated the in laws WHB to a gap in the wall between the bath and the SVP. Connected the new 32dia waste into the existing 40dia coming from the bath with a swept tee, the pipe runs from the bath at only a few degrees toward the SVP. Only problem is that when the sink runs away the...

When you guys say upgrade the main earth connection (the one that connects to the DNO cable head). How do you access the earth terminal without removing the cover from the cable head.

I have just finished doing this in my own house, 80's built with the evil ring nails !! Started trying to lift panels but they just broke into a millions bits. The best way I found was to set the circular saw to a depth just short of going through the floor. Then cut the section you want to...

I have had this done a few weeks ago, I'm with Npower as my supplier and Scottish Power are meter operator. I phoned up Npower and got through to thier metering alterations dept, they then arranged for SP to come and fit the isoltor. Was only a single pole switch though, fitted a henley...