# BTICino CT20/51 Intercom  wiring plans
![Plan 1](./_static/Plan_1.jpeg)    
![Plan 2](./_static/Plan_4.png)    
![Plan 3](./_static/Plan_2.png)  
![Plan 4](./_static/Plan_3.png)  
![Plan 5](./_static/Plan_5.png)