View the thread, titled "More than one circuit on breaker" which is posted in Australia on Electricians Forums.

R

Richard3009

I have found in my house on the downstairs ring main that three lives are terminated into the 32A circuit breaker, two are for the ring main as you would expect; the third is for a socket below the fuseboard, to all intents and purposes its just a spur and electrically wise its sound.
Just wondered how this stands up with regs having three conductors in the breaker.
 
HAHAHA, ME, WORKED UP :confused:

MUST BE MISSING SOMETHING HERE JASON AS I AM THE MODEL OF A RATIONAL PERSON. ;)

THE WHOLE IDEA OF A FORUM IS TO ENCOURAGE DEBATE AND IF WE ALL THOUGHT THE SAME AND AGREED, WHAT A DULL PLACE IT WOULD BE.
 
Guys just for reference there is an update for p362/3 of the regs here:

http://www.------.org/publishing/wi...es/bs7671-2008-corrigendum-jul08.cfm?type=pdf
 
I just see it as lazy. If the single 2.5mm T&E for the socket below goes back to the board it ought to either be on a separate breaker or have two pieces of 2.5mm T & E and be part of the ring.
 
Hey, you can spur off a 1000a busbar if less than 300m, wired in 2.5mm (for alarms etc) so long as fitted adjacent busbar chambre. Many hospitals I have worked on have this arrangement. Point being you cannot run cables outside the area, the spur must be adjoined, hence the 300mm length. By the way I have fitted fire alarms to live 300a busbars, so now can you tell me how I drilled the busbar red...oops brown phase without isolating cos the nat health peeps would not allow isolation, even for a 2 minutes...

All answers please...
 

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