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Have a looka t this easy to follow diagram, this should sort it out for you. http://www.tlc-direct.co.uk/Technical/DataSheets/MK/WiringDiagrams.pdf

Flameport Can you suggest an IP rated switchfuse. Thanks

Flameport I was thinking of getting the Switchfuse installed externally within one of these http://www.tlc-direct.co.uk/Products/GWBX15125.html would this not work? The existing CU is 25years old, does not meet current regs, it needs to go.

holmslaw... 'A switched fuse' is dyslexia (I think thats how you spell it) taking over my keyboard... :D

Chri5 Yes the switch fuse is to overcome the 3m rule as you say. Are you then agreeing that a 60A service fuse and a 60A on the switch fuse on the tails would be acceptable? protecting the 25mm SWA as discrimination is not required between the CU and the service fuse.

chri5 Thanks for your comments. 1.There is no way a spade going through the swa, I'd like to see you have a go. 2. The SWA will be under the living room floor with a void of 3 feet and then up under the stairs where it will be visible. 3. Clearly I will not be doing it myself but...

Flameport thanks for your input. Essentailly we need to create a sub main in 25mm SWA with a switch fuse at the meter end, say one of these http://www.tlc-direct.co.uk/Products/WY108M.html but how would we introduce some form of descrimination if the service fuse is rated at 60A, the...

The property where this arrangement is set up has the CU on the internal wall under the bay window,directly behind the white meter, not very practical. I would like to get the supply run back to under the stairs some 8 meters away whilst still leaving the meter outside. Can anyone tell me...

Hi I am trying to understand the arrangemnt in my main incoming supply. Could some please explain the following: 1. Why is the main service 60A fuse is not sealed. 2. Why do I have a 32A sealand fuse to the right of the main service fuse, what is this for. 3. What is the black box to the...

Test

Dunno....I have not looked that deeply, will need to delve further. Its a large house and there are 3 light circuits all on the same RCD.

Both RCD's will be removed and all circuits will be on RCBOs. Its more expensive I know but better than current setup with all sockest on one RCD and the lights on the other RCD. They should of have been split with lights for downstairs and the sockets for upstairs on one RCD and vice versa for...

Hi I have a 17th Edition Hager Dual RCD CU and want to replace the RCD's amd MCB with RCBO's. The neutral bar is split into 3 with two strips for the RCDs. If I want to fit RCBO instaed of RCDs and MCB what would I have to change in the CU? 1. Neutral bar becomes one. 2. All RCBO's...

Rico Thank you very much for this. Just to clear one thing up the cold inlet I was refering to is not the boiler but the COLD MAIN inlet to the UNVENTED cylinder. Does that change anything from yur advice?

I need some advice on how to tackle installing and outside tap on a Range Tribune HE system. The tap will be teed off after the mains under the sink well before the Range He cylinder. My worry is what effect will this have on the pressure in the Range Cylinder. If I close the main stopcock on...

I'm faced with the same scenario. My conclusion is if you fit a pressuried cyclinder like a Megaflo for example the safety devices will need to be checked by a qualified by an engineer with 'unvented ' qualifications. This is an ongoing additional cost year after year. A vented system with a...

What is funny is:- Bloke going down the streeet sees his mate with 'one arm' and says 'Where you going John?', 'Going to change a lighty bulb' replies John. 'Won't that be awakward?' ask his mate. 'No says John, I've still got the receipt'.......

LOL...what a comedian.

I think its unlikely to freeze up as its internal in a heated kitchen, surely there is minimal risk of freezing.....