Switch Loop Wiring Diagram Two Switches
The principle is exactly the same as when looping at the ceiling rose or using a junction box.
Switch loop wiring diagram two switches. Loop at the switch. Instead of running a separate pigtail from the hot wire to each switch just leave the hot wire extra long. This is an alternative deprecated form see above for the reasons of the multi way switch wiring. Any number of intermediate crossover switches may be added to give three or more switching positions.
The essence of the wiring configuration is for one hot feed wire entering the switch box to be split so that it feeds both switches which in turn feed hot wires in cables that lead out to two separate light fixtures. The switches at each end are 1 pole 2 way switches. In the united kingdom some electricians use an alternative method for wiring two way switches as depicted in the above wiring diagram. It is not uncommon for a circuit to be configured so that two wall switches in a single double gang box control two different light fixtures.
Lighting circuits loop at the switch. This is a loop in method which can be useful where the light fitting only has three terminals or when using downlighters. A switch loop single pole switches light dimmer and a few choices for wiring a outlet switch combo device. To make a switch loop connect the incoming hot black wire to the white neutral wire that runs to the switch.
This wiring diagram illustrates adding wiring for a light switch to control an existing wall outlet. Switch loops work by stealing a hot that s in an attic or maybe in a light fixture box in the ceiling and sending that hot down to the switch on a white wire then sending the switched side. Two way switches and three way switches operate the same way and have the same connection points they just have different names in the uk which are common l1 and l2. By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load.
Let s assume the load you are controlling is a light. Uk two way switch wiring diagram. Connect the last switch in the usual manner looping the wire around the screw in a clockwise direction. The in cable supplies power from the previous light or consumer unit.
The switches at each end are 1 pole 2 way switches. The black wire from the switch connects to the hot on the receptacle. Next the incoming white neutral wire is attached to the light fixture as usual and the black wire from the switch is connected to the light fixture. The source is at the outlet and a switch loop is added to a new switch.
Also included are wiring arrangements for multiple light fixtures controlled by one switch two switches on one box and a split receptacle controlled by two. Alternative method of three way switching. To connect the switches simply score the wire with your wire stripper and push the insulation to expose about 3 4 in. The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white.