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Annual tests of diesel generators on 19 December

The annual test of the diesel generators the CERN safety network on the Meyrin and Prévessin sites (including the North Area), in the SPS, and at LHC points 1 and 8 as well as LHC sector 1–8 are scheduled to take place on Wednesday, 19 December 2018 from 6.00 a.m. to 6.30 a.m.

Electrical power will be cut on the Normal, General Services and Stable (18 kV, 3.3 kV, 400 V) networks.

The EN-EL group recommends that you turn off your critical equipment and computer equipment.

For any further information, please refer to the “Note de coupure”: https://edms.cern.ch/ui/file/2052544/1/ ENNC_EL_2018_169_TEST_SECOURS.pdf.