Single pole switches with one switch controlling one light are marked with an on and off position. In north america for some odd reason a two way.
Three Way Switch How To Wire A Light Switch
Difference between 2 way and 3 way light switch. Installing 2 way switches are easy. When they are connected the switch is on in a three way switch the top terminal connects to one or the other of the bottom two terminals. These switches use 3 types of wires. The on off can change depending on the position of the second three way switch. A four way switch is similar to a three way except it has four terminals plus a ground terminal and controls one fixture from three locations. A pair of two way switches is used to allow a lamp to be operated from two different locations such as from the bottom or top of a staircase.
These switches dont have hot wires. These have onoff switches. A three way switch has no marking because there is no consistent on or off position. This type of switch must be combined between two three way switches to form a circuit. These switches have hot wires. Do not have an onoff switch.
While more uncommon this is a good option for large rooms with several entrances. These switches have 3 terminals. These switches actually have 4 terminals. These switches use only 2 types of wires. In a normal switch the two terminals are either connected as shown or disconnected. Take a look at the switches in your home.
Gallery of Difference Between 2 Way And 3 Way Light Switch
