Two way pull switch

cautious · 29 Jul 2005

I am replacing a two way pull switch for a bathroom light which had worn out.

I have three red wires which are otherwise unmarked:
wire A (live) was in one connection;
wire B had come out of its connection by the time I could see it, but I from its position I am pretty sure it was in the same connection as wire A
wire C was in a connection on its own.

I am pretty certain that A (and presumably B) were in L1 and wire C was alone in COM. Does this sound right? as it is possible that it was the other way around: A (and B) in COM and C in L1.

Does this suggest that C is the switched live?

Many thanks for your help

Carloss · 29 Jul 2005

Hi, check this page for diagrams.. should help.

//www.diynot.com/forums/viewtopic.php?t=7553

A = Com

B= Com - maybe if used for a link ?

C = L1

This is maybe what i would go for but without looking at it or testing it i cannot say for sure.

carlos

securespark · 31 Jul 2005

If it is a two way switch and there are two switches controlling the bathroom light, then all conductors will need to be in individual terminals.

pdcelec · 1 Aug 2005

If the circuit is a one way system, wire it up as a one way system, but if it is a two way system, wire it up as a two way system. If it is neither then get someone else to have a look

cautious · 1 Aug 2005

Thank you all very much for your help.

I'm not sure why it is fitted as a two way switch, as I haven't been able to find another switch in the flat which operates that light. So I think it was previously wired as a one way switch.

The diagrams are very helpful - thanks for pointing me in this direction.

Is it usual to use the same colour for each wire?

Thanks again

ban-all-sheds · 1 Aug 2005

cautious said:
Is it usual to use the same colour for each wire?

No, but it is the "most correct" approach. A switch cable does not contain a live and a neutral, it has 2 lives (one permanent, one switched), and if you use red/black cable rather than red/red then you should put red sleeving over the black core, at each end, to signify that it is live.

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Two way pull switch

cautious

Carloss

securespark

pdcelec

cautious

ban-all-sheds

DIYnot Local

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