The green screw on the 2 way switch is for the ground so all ground wires should be connected as seen below. There are 3 basic types of switches that are used for domestic purposes.
Can I Use A 2 Way Light Switch As A 1 Way Quora
What is two way switch. If a light switch is 1 way this means it is just an onoff switch. A two way electrical switch can have multiple uses in a home environment. 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. 3one way switches have definite on and off states while two way switches dont. Installing a two way electrical switch is not a difficult job to do yourself. This is the simplest type of switch.
All ground wires bare copper are all now connected incoming ground load ground and switch ground. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. A two way light switch is a simple single pole changeover switch with three terminals. 1one way switches only have two terminals while two way switches have three. 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. A big room having two entryexit gate.
So what have we accomplished. In the other switch position it changes over so that com is connected to l2. Erroneous tripping of safetycircuit protection equipment. This makes for a safe protected circuit by having all grounds intact. Applications of two way switching. Mostly in stair case.
In one switch position the com terminal is connected to l1. 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. A 2 way switch means there is another switch controlling the same light. These are typically labelled com l1 and l2 some may label the l1 and l2 positions as 1 way and 2 way. To control any ac appliances like fan or light from two places like entry and exit. 2a two way switch can be used to control a light from two locations while a one way switch cannot.
For example you can use this device to install a dimmer slider that operates not just the light but also a ceiling fan. 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. The on off can change depending on the position of the second three way switch. The neutral in this sketch is the black wire. It is a standard single pole switch with three terminals. Take a look at the switches in your home.
A three way switch has no marking because there is no consistent on or off position. You may be surprised with what you have overlooked.
Gallery of What Is Two Way Switch
