Replacing a light switch - help with wiring please! I'm only comfortable in replacing the switch if it's a direct connection of the four sets of grouped wires into the equivalent terminal on the new switch, so will seek help from someone experienced with wiring or get an electrician in to do it if it needs a redistribution of the wiring, but hopefully it's fairly straight-forward? Off Topic - Light Switch Wiring, need explaining Re: Off Topic - Light Switch Wiring, need explaining I'm trying to understand this. The diagram doesn't provide wiring and I already knew how to draw a schematic diagram of the circuit, just understanding the switch is the problem as I'm not sure whether 1 wire or 2 wires are selected when in the on position or whether one or no wires were selected in the off position. How To Replace An Electrical Socket - YouTube Click to view on Bing2:13How to replace an electrical socket outlet. Following installation, make sure you do a polarity test and any other testing that may be required as demonstrated in separate videos.Author: sparkydaveViews: 44K Wiring a light switch - PC World Hi I'm installing a light in a cupboard and want to use a door switch (one that switches the light off when you close the door). I'm using a HPM switch from Mitre 10. I'm a bit confused as to how to connect it up. The switch has 3 terminals, labelled COM, NO and NC. Transform your house into a home. - PDL by Schneider Electric PDL Find Your Style tool. Need some help deciding on the right switches and power points for your home? PDL’s online Find Your Style tool makes it easy to match your interior look with Resene paints and the innovative PDL Iconic range.