A two way electrical switch can have multiple uses in a home environment. For example you can use this device to install a dimmer slider that operates not just the light but also a ceiling fan.
Multiway Switching Wikipedia
What is two way switch. Before proceeding an important component called a two way light switch is the main element of the 2 way switching irrespective of the type of wiring used. If you want to have control from more than three locationsfor example five locationsyou would still use two three way switches one on each end and three four way switches between the two. To control any ac appliances like fan or light from two places like entry and exit. It is a standard single pole switch with three terminals. This makes for a safe protected circuit by having all grounds intact. Installing a two way electrical switch is not a difficult job to do yourself.
Take a look at the switches in your home. There are 3 basic types of switches that are used for domestic purposes. This is the simplest type of switch. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. Mostly in stair case. The on off can change depending on the position of the second three way switch.
All ground wires bare copper are all now connected incoming ground load ground and switch ground. Applications of two way switching. So what have we accomplished. The four way switch is used between two three way switches to provide control for an outlet or light fixture from three or more different locations. The neutral in this sketch is the black wire. The green screw on the 2 way switch is for the ground so all ground wires should be connected as seen below.
You may be surprised with what you have overlooked. A 2 way switch means there is another switch controlling the same light. 2a two way switch can be used to control a light from two locations while a one way switch cannot. If a light switch is 1 way this means it is just an onoff switch. In the other switch position it changes over so that com is connected to l2. A two way light switch is a simple single pole changeover switch with three terminals.
Hello two way switching is used to operate a lamp or device from two locations in the example below the power from the fuse bypasses s2 and continues to s1 the through the made solid line back to s2 then through the made solid line to the light. 3one way switches have definite on and off states while two way switches dont. A big room having two entryexit gate. 1one way switches only have two terminals while two way switches have three. A three way switch has no marking because there is no consistent on or off position. Erroneous tripping of safetycircuit protection equipment.
These are typically labelled com l1 and l2 some may label the l1 and l2 positions as 1 way and 2 way. In one switch position the com terminal is connected to l1.
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