The annual tests of the 18 kV commutation system (autotransfert) require electrical power cuts on the normal and machine network of the Meyrin site on Saturday 30th January 2016 and Sunday 31st January 2016 from 6:00 am to 22:00 pm.
 
Frequent power cuts will occur on the Meyrin site. The EN-EL group recommends that you turn off all your critical equipment and computer equipment.
 
For any further information please refer to the "note de coupure" and this map of the Meyrin site showing buildings affected by these power cuts.