The following table provides the commonly
used electrical wiring schematic symbols for push-buttons
and lamps which comply with the IEC and BS Electrical
Symbols. We have included the Normally Open and Normally
Closed status for each contact. |
|
Normally Open PB
(N/O)
|
|
Normally Closed PB
(N/C)
|
|
Emergency Stop PB
(N/O)
Indication Contact
|
|
Emergency Stop PB
(N/C)
|
|
Pull Switch
(N/O)
|
|
Pull Switch
(N/C)
|
|
Turn/Rotary Switch
(N/O)
|
|
Turn/Rotary Switch
(N/C)
|