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Re: [OT] : wiring sockets ??


  • Subject: Re: [OT] : wiring sockets ??
  • From: "mastertaz70" <jonwn1@xxxxxxxxxxxxxxxx>
  • Date: Tue, 19 Jul 2005 15:31:33 -0000

If you have an appliance drawing 30amps by NEC (National Electric
Code) you should have a 30 amp double pole breaker on that circuit.If
you ever had an inspection they would deem it unsafe otherwise.

--- In ukha_d@xxxxxxx, Andrew Kilgore <andrew.kilgore@g...>
wrote:
> Hi,
>
> Firstly, I'm not an electrician either - qualified or not ;o)
> (But my dad is!)
>
> The only thing I can possibly help you with is the rating of the
> connector block.
> As far as I understand it, if an appliance on a ring circuit is
> drawing (say) 30 amps, then 15 amps are drawn along one side of the
> ring and 15 amps down the other side. So, all you should need is a
> connector block capable of handling 15 amps (or half the rating of
the
> fuse used to protect te circuit).
>
> Can anyone back this up or dismiss it as utter nonsense...?
>
> Many thanks,
> Andy.
>
> On 7/19/05, Hawes,Timothy Edward (GEG) <haweste@a...> wrote:
> > Marcus,
> >
> > Firstly, I'm not a qualified electrician etc.
> >
> > When I recently re-wired some sockets (before Part P too - what a
> > coincidence ;-)  ) I separated out a double socket into two
singles and
> > a fused spur. I put one ring cable into the first socket, then
used
> > another piece of 2.5mm T&E to loop from the back of the first
socket
> > into the spur, then another 2.5mm T&E loop from the spur to
the
next
> > socket where I also connected the "other" half of the
ring. Does
that
> > make sense? Essentially I just continued the ring through my 3
devices,
> > where I used to have a single (but 2-gang) socket.
> >
> > I know the type of sockets you mean, but haven't seen any in
detail. I
> > used 30A chock bloc connectors and they only just fitted into a
47mm
> > single gang box :-(
> > AFAIK you can use 1.5mm T&E, BUT you have to derate the cable
and
> > protect with the appropriate fuse, however, I don't proclaim to
know the
> > regs inside out so there may be something that prohibits you any
way.
> >
> > I can send you a sketch off-list of how I wired mine if
interested - a
> > picture's worth a thousand words and all that, just let me know
:-
)
> >
> > Cheers,
> >
> > Tim.
> >
> > > -----Original Message-----
> > > From: Marcus Warrington
> > >
> > > Sorry to be off topic but I wonder if some of the
"sparks" on
> > > the list could give me some advise..
> > >
> > > I have some kitchen under cupboard sockets that are
> > > surface/wall mounted stainless steel wedges... (see
tlc-direct)
> > >
> > > When I came to wire them up (last night) I discovered that
> > > the two sockets are completely separate (unlike a
> > > conventional double socket were the one set of connectors
> > > feed both sockets). Unfortunately I had the kitchen rewired
> > > with the expectation of having under cupboard mounted
sockets
> > > so the ring mains wire just loops out of the wall under each
> > > cupboard and there are no pattress' in the wall etc. The
lack
> > > of space behind these sockets means that the only way I
could
> > > see of wiring then was to use a connector block to complete
> > > the ring and the drop two lengths of wire (spur) from the
> > > block, one to each socket.
> > >
> > > Two questions..
> > >
> > > 1) What rating of connector block is required to join a ring
> > > main ? I have used a 30 amp connector block but its a little
> > > big really and if possible using a 20amp would give more
room
> > > behind the socket and allow a better fit against the wall.
> > > There is not enough space to use one of those plastic
> > > circular connectors so I've had to use one of the
"chocolate
> > > block" style and then wrap it up in 2 or 3 layers of
> > > insulation tape.. is this OK ?
> > >
> > > 2) Using 2.5 T&E for each "spur" (from the
chocolate block)
> > > to each socket also made it very difficult to get everything
> > > onto the wall due to the wires stiffness and bulk etc. Would
> > > it be safe to use some 1.5 T&E round flex from the
chocolate
> > > block to the socket instead of the 2.5 T&E ?
> > >
> > > Oh, and before someone quotes "part P"... its all
done with
> > > the "old" wiring scheme so... "its been like
that for years,
honest"
> > >
> > > TIA
> > >
> > > Marcus
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >







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