Access to the command over
Command line: _LAMPSCH
Toolbar Elektro | 
After activating the function following question opens:

Select the entities:
2. |
Select the entities and confirm with right mouse-button. This lamps can be connected to one switch together.
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3. |
Pick the switch.
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4. |
After confirming you can enter the name for the connection.
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5. |
The 4 lights are now connected to the switch. |


