How to connect a double switch to operate as a pass

The channel already has two articles on the connection-through switches.

Switching light from three to five seats

Connecting the flow switch

But, there are another option, when instead you can connect ordinary double switches and they will work on the principle of anadromous.

This principle is used electricians, when the pro-through switches and never heard simply because they were not, so in the sale, so accurately.

By the way, one person unsubscribed, he remade in the early eighties they contact group and received a full pass switch.

Simple double switch It is different from the single passage of two independent keys, from the anus always two contacts closed. And the double switch, depending on the position of keys, which are independently of each other can both close and open-circuited.

Wiring diagram

Therefore, if you use the ordinary double-through switches instead, the for they have the same key must be pressed, and the other is pressedThen they will be fully repeated work-through switches.

Who would you want? Those who have remained ordinary double switches and he wants to use them in this way, for example, in the utility room.

This article is only informed about this possibility, but the option to use the information or not, as always, is yours.

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