i am putting new light switchs in the hall and on the landing, the hall is a double switch for the hall and landing and on the landing there is a single switch, the new switchs are totally dofferent than the old ones.
The new landing switch has a com, 1 way and 2 way with the hall having the same but twice, How do they wire up
Hi, Garyt,
the new sw's can't be much different to the old ones!!!
Landing is 2 way so must have C, L1 L2 just like the original. what's different? one wire at one end is Common other two at opposite end of sw are L1 & L2 which go one wire in each, colours Red, yellow, Blue. If you also have an additional 2 core Red & blk they go one in each L1 & L2, making 2 in each except Com. term with 1 only.
down stairs will have other end of 3 core,R,Y,Bu., they go same as upstairs but whichever colour is in Com. term upstrs MUST be same in Com. downstrs.. that should just leave 1 twin R,BK which go R in Com of other sw, & Bk in L1, L2 NOT USED, if still not sure come back with how many of what colours are at each position,
regards SPARX
The switchs that came off were old and totally different. Te switch i have for in the hall is a 2 gang 2 way which turns the hall light and landing light on and off so for the hall to work i have got the red into com, black into 1 way and earth connected to the socket case and that works ok.
The other bit of this switch again has com, 1 way and 2 way and this feeds the light switch for the landings whch again has com, 1 way and 2 way but up here i have 2 sets of wires - one from the hall switch and one to feed the light.
So just to recap the back of the switch in the hall has 2 coms, 2 1 ways and 2 2 ways and wires for the hall light and feed for the landing and the switch on the landing has com, 1 way and 2 way
the switch in the hall feeds the hall and the landing, it is 2 gang, 2 way so at the back of the switch are 2 coms, 2 1ways and 2 2 ways. I have the switch in the hall working with red into com, black into 1 way and earth wired into the socket case.
The other connections feed the upstairs which is a 1 gang 2 way switch with com, 1 way and 2 way and 2 lots of wire- 1 from the hall and 1 to feed the landing light
Ok Garyt, lets forget the hall lt which is working.
at the 2 way down stairs what colour wire is in Common? (usually YELLOW?)
if not change it so u have yell in com, red in L1, Blk in L2.
Up stairs, put yell. in com, put both reds in L1, put Blu + blk. in L2.
now tell me it doesn't work....
regards SPARX
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