View the thread, titled "Wow!! Can anyone tell me what is going on with this old install?" which is posted in UK Electrical Forum on Electricians Forums.

S

Spark2be

This installation is under the stairs. The isolation switch on the left is for the lights of the property and the one on the right is for all ring mains. All the earthing wires from circuits seem to be wrapped around a screw in the top left of the unit, but there is no earthing connected to the incoming and there is a white wire wrapped around the pipe which runs in a panel of the stair case. I am not sure how old this installation is but earthing does not seem something that was considered.

CPU Pics 004.jpgCPU Pics 001.jpgCPU Pics 002.jpgCPU Pics 003.jpg
 
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Trouble is learning all the acronyms. I always refer to ring finals RFC as ring main and PME as a TNS system. As I hear these terms more often I will instantly remember them. I will do after this thread anyway lol.
 
Trouble is learning all the acronyms. I always refer to ring finals RFC as ring main and PEas a TNS system. As I hear these terms more often I will instantly remember them. I will do after this thread anyway lol.

Errrr, PME is TNC-S, ...Not TN-S!! lol!! But i must admit, i often still call FRC's Ring Mains, which i picked up from working with my uncle when i was 13 or 14. Always been pulled up on it, but old habits and all that!! lol!!!
 
Trouble is learning all the acronyms. I always refer to ring finals RFC as ring main and PME as a TNS system. As I hear these terms more often I will instantly remember them. I will do after this thread anyway lol.

Aye ... they confuse me an' all bonny lad.

I'm thinking about starting a campaign against them. I think I'll call it "the Campaign for the Removal of the Abbreviated Phrase" .............. or C R A P for short.
 
According the international dictionary of acronyms RFC stands for BOTH Ring Final Circuit and Radial Final Circuit.

I know what I’d do with the acronym, scrap it!
 
As for C.R.A.P. Cold Rolled Annealed and Pickled, Change Risk Analysis and Prediction and of course Compulsive Risk Assessment Psychosis
 
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Spark2be, you could always take your photos and all info to college and check the knowledge of your tutor, are you in an apprenticeship, if so ask your boss what he thinks, first hand direct knowledge.
 
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