Discuss Worldwide ring mains in the UK Electrical Forum area at ElectriciansForums.net
According to wiki, the UAE, Singapore and Indonesia use ring final circuits.
here in ireland n our latest regs ring circuits are not allowed in kitchens anymore and two radials must be provided
So what's the dumb reason behind little cracker then??
God knows ,id say its because more things can go wrong with a ring final cct compared to a radial
Like what?? These would both be new circuits supposedly installed to the current Regs/codes by, one would hope competent electricians!!!
More like Ireland has the same problem as the UK, to many fast track wanna-be electricians that aren't competent in testing or fault finding anything except on single length's of cable...
i find the friction terminal screw tunnels on new mk gear a real chore tbh.
If an open circuit occured on the ring and is unnoticed then effectively it is two radial on a 32 amp mcb wired in 2.5
or
mr. d.i.y. could mix up ends into different mcbs (even though d.i.y.ers shouldn't attempt this sort of thing)
All sparks here have to do a 4 year apprenticeship
This old chestnut of a ring becoming open circuit, in all the years i've been in this industry i've never come across such a scenario.
I come across it quite often actually, not in houses but in commercial and industrial premises...
Either a break in just one of the conductors or all of them...
Quite common...the last EICR I did had 2 out of the 4 rings like this...
Sent from my Xperia S using next doors WIFI.
without someone's intervention...
Also, car head lamps with a photo cell in the that picked up lights from another car comming towards you and would auto dip. Trouble is I thought it'd react too late, however think Merc are doing it now
I can only ask HOW did they become open?? Surely using that analogy, it could also be applied to a Radial circuit.
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