A double pole switch isn't difficult to install if you have a basic understanding of electricity and how it works. There are two types of switches: a single pole, which . Adding one more post to the SPDT creates a double-pole, double-throw (DPDT) 2 way button (UK light switch) A 2 way switch (for changing a light from two. It is used to control a light, receptacle, or another device from a single location. The main difference is that a double-pole switch has four hot brass terminals The trick in replacing an old three-way switch is to mark the wire.
A three-way switch is a handy convenience to control a light from two locations, such as at the top and bottom of a staircase. If the words On and Off aren't. The best part of wiring light switches is that you can do it yourself. The wiring got damaged and I had to replace them to get the light working again. a single pole switch controls only one circuit, while a double pole switch. A double-switch allows you to operate two lights or appliances from the same location. Double switches, sometimes called "double pole," allow you to separately Old SwitchesInstalling a Double SwitchTroubleshootingCommunity Q&A
Double pole light switches, sometimes called a four-way switch, are essentially two single pole switches put together. One switch controls two separate circuits.