Replacing plastic switch with Chrome

[melrose5]

HELP.

I have replaced all light switches with chrome ones and now only 1 of the switches works.

This is the kitchen switch, which presumably is the start of the circuit. In this first switch and another (possible final switch in circuit) there are 3 wires; 1 yellow for Top and 2 reds for bottom of switch.

I've taken chrome switches off & replaced with plastic to see if they would work as originally but they don't except for the kitchen one!

Any ideas?

Also; although there is an earth wire in each switch block I did not connect any earth wires to the new chrome switch - if I need to connect an earth is this for every switch or just the first one.

Any ideas, answers much appreciated as its getting quite dark!

Many thanks

 

[andy]

you will have wired something wrong. did you change switch wiring like-for-like?

earth must be connected to metal backoxes, and the switch if its class 1

 

[Hightowermark]

Yes iit's gotta be you rewired the switch wrong. I would put them on all switches, very easy to do and only cost you a few quid.

 

[Qedelec]

A back box is regarded as an exposed extraneous part and as such MUST be earthed.

 

[BJS_Spark]

Hate to be picky but a backbox is an exposed conductive part but like you say it is required to be earthed.

 

[Qedelec]

OOh get you, I stand corrected!