You wire a double pole switch in essentially the same way as a single pole one but its important to remember to keep the red wires on one side of the switch and the black wires on the other. This includes the neutral.
Chapter 1
Double pole isolating switch wiring. To wire a double switch youll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. Do not connect this switch directly to a ring circuit. Isolating at the consumer unit only disconnects the line wire. Single pole just switches the live. 11 january 2008 originally posted by. Double pole switches are usually rated at 30 amps so any appliance or equipment requiring a greater power consumption have to be connected to a disconnect switch of the proper rating.
For 20 32 40 45 50 amp double pole switches connect the cables as shown in the diagram. Daz200 i think youve kind of answered your own question. 18 august 2010 0534 pm dg66 posts. As you refer to a double pole isolator then in order to be. If your cooker has a neutral to earth fault that is causing the rcd to trip then the lack of a two pole cooker switch will leave you requiring disconnection of either the circuit or the appliance in order to reset the rcd. Electronic time switches often need to bleed a small amount of power through the lamp to self power.
By convention only single pole devices are allowed to switch the live never the neutral. These manual switches have the advantage of needing no power themselves and so will run with typical light switch wiring and are compatible with all lamp types. A double pole switch opens and closes both live and neutral simultaneously so the circuit is completely isolated. Note the use of a three pole isolator is not required in this case but is quite often convenient since the switches are often marked. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury. This piece is about installing a double pole switch for a hot water heater a ceiling heater a compressor or anything else with less than 30 amps rating.
As you refer to a double pole isolator then in order to be an isolator it needs to disconnect all line conductors. You just need to connect the fan to the light switch so that the fan comes on when you switch the light on. A simple switch or similar is not an isolator and therefore is not to be used for safe isolation prior to commencing work on a citcuit. Make sure that the load cable is connected to the appliance to be switched and that this switch is earthed. How to install wire and connect your new electric cooker in 6 simple steps march 20th 2018 fantastic team safety efficiency last modified on december 19th 2019 at 1120 am. If you mix them up the switch wont work and could be dangerous.
These often cause odd behaviour with compact fluorescent led and other very low energy lamps.
Gallery of Double Pole Isolating Switch Wiring
