Double pole switches and wiring.
Single gang double pole light switch.
A dpst has 4 terminals while a dpdt has 6 terminals.
For example you might want to turn on a bathroom light separately from the ceiling fan.
The double pole light switch also has on and off markings and like the single pole also turns off lights from a single location.
A double pole switch on the other hand is essentially a switch that allows or disallows current flow between two distinct lines or circuits at the same time.
The difference between a single and double pole switch is that the latter controls two circuits at the same time.
However this switch has four terminal screws used to connect a 240 volt circuit two 120 volt circuits that share a common white wire and always has a ground terminal screw.
Some gang boxes are in locations that do not allow the box to be expanded to add a separate light switch.
A double pole switch is what you need to control a 240 volt device because 240 volt circuits have two hot wires.
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It has four terminals.
Double switches sometimes called double pole allow you to separately control the power being sent to multiple places from the same switch.
You can wire two single pole light switches in the same gang box using a device that combines two separate single pole light switches into one device using the original single switch space.
The leviton decora 15 amp double rocker combination switch the leviton decora 15 amp double rocker combination switch has a comfortable rocker style with a light almond finish.
It s there so the electrician can connect the switch to another three way switch via a third wire.
That will coordinate with most decor.
This switch features 2 rockers in a single wall box that allows you to control 2 fixtures from 1 location.
In addition the three way switch has a black terminal.
A three way switch has the same two brass terminals you find on a single pole switch although they are usually opposite each other instead of arranged vertically on the switch body.
Two for incoming hots and two for outgoing hots.