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Hi Am using 6mm swa for a supply to my garage and need to go round some sharp corners. Only have about 100mm of gravel strip between wall and fixing pavings. Will this cable bend to a shallow right and left without damage? Cheers Andy

Appreciate all that has been said and will take it onboard and rectify the situation in accordance with the advice given I.e put an RCCB in the lighting circuit CU . The new CU for the outhouse will be tested and certified as a new circuit. The certs for the old stuff will stand stand...

Sorry John . Your email not working . Please repeat Cheers Andy

I ask myself 4 questions Is it need and tidy so I can find a fault easily Is it safe Is it legal Can it be certificated. If the answer is yes then I am happy Cheers Andy

You would be most welcome to see them and I really don't expect anyone else to post them. I am just having a bad technology day and as you said the process is so long winded I will lose the will to live. They are not the most exciting pics in the world but may show my installation is not as...

All dutch to me - does this change anything John Cheers Andy If you private message me with an email will send you the pics its quite a smart setup even if it is wrong

Thanks for all that looks like I am making progress . If you call me with an email address I will send them. Seem unable to master pics on this sight Cheers Andy

Hi John Now back home The RCCB in the power CU is As I thought 100a 30ma. The lighting CU has a double pole red Switch Disconnector. The main switch is a Hagen RCCB type CN284U 100a has an S in a square followed by 0.1 a with test button and earth fault indicator. I assume this is...

Thanks for that I will sleep soundly. I suppose I am used to losing all power with our overhead lines so I don't have a problem with it , it us just inconvienent Cheers to all

Just one question before bed. Is it dangerous or unsafe or just bad practice

Thanks BAS I do have emergency lighting over my work bench which was installed because of power cuts.

Thanks John It has clicked now A. Will check my main switch tommorow B Was confused halogens blow the circuit at my flat where everything is on an rcd. C. As DS says on a TT earth rod set up all circuits should be rcd protected so that us why I have the main switch. D...

Thanks DS all clear now

Sorry what is a TT system

Thanks DS To fit RCBO,s instead of mcb,s is an enormous cost especially for the Square D ones I have to be honest that seems so over the top as to be ridiculous even to me as an amature. Why on earth would you want an RCBO for a few lights in a lounge ceiling. Regards Andy

Hi John Thanks for the gentle words The first part of the installation was in 2007 when the main switch and the two main CU's were fitted. Later in about 2009 we put in new circuits for a very large extension both installations were fully tested and certified. May be the main switch...

Thank you ban all sheds. The power cu does have it own rccb and so will the cu for the outbuilding. The lighting unit has a disconnector as an rccb will blow every time a halogen bulb goes. It is the same as a split unit but separated into two separate units because there were more than...

Thanks for all your help Will be back tomorrow and will give you details of the main switch . Yes it does have a test button The switch in the power circuit / cooker CU is a DP 100a 30ma RCCB the red disconnector is only in the lighting CU and the aux one in the outhouse. The two main CU...

Thanks for that will try to answer The main switch is 100a 30 ma stand alone box which feeds a large terminal block from which the tails run to the three CU's . Do not think it is time delayed but do not know how to tell Disconnectors are just red two pole swiitches in the lighting CU and...

Sorry have confused everyone. System will be as follows ( it is a big house) Incoming mains to 100a 30ma main switch 3 sets of tails to 3 separate consumer units Unit one 100a in house DP main switch contains mcb's for power circuits in house plus cooker Unit two in house100a...