The author posted a question in Science, Technology, Languages
Can you tell me what is shown on the old wiring diagram? and got a better answer
Response from
Response from 0[+++++]
Relay contacts.
Relay contacts.
Response from 0[+++++]
KV are relay contacts, and they are normally closed. if the bar is on the bottom, they are normally open.
KV are relay contacts, and they are normally closed. if the bar is on the bottom, they are normally open.
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See what the KV is for and don't fuck with the schematic here.
See what the KV is for and don't fuck with the schematic here.
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Maybe a limit switch.
Maybe a limit switch.
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This is the normally open contact of a device that does not have an electromagnetic actuator. -such as a limit switch
This is the normally open contact of a device that does not have an electromagnetic actuator. -such as a limit switch
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Probably referring to rotary switches, they are still used in some postwar houses. They used to have two on a circuit sometimes to turn on the chandelier from two places in the room.
Probably referring to rotary switches, they are still used in some postwar houses. They used to have two on a circuit sometimes to turn on the chandelier from two places in the room.
Response from 0[+++++]
KV-usually a limit switch
KV-usually a limit switch