38 New installation of S8 / S 81 ceiling mountM-30-1382-en S8 / S81 Ceiling Mounts Issue 12.0Printed on 19. 11. 2007On-site electrical installationThe power lines on the site of installation must be run up to the interfaceplate. In addition, the potential equalization lines must be run to the termi-nals on the interface plate.Warning!e The planning, execution and inspection of the on-site electrical instal-lations must be performed by expert electrical technicians and official-ly registered electrical firms.e The electrical installations of the room concerned must comply withthe requirements of the applicable national regulations. In the FederalRepublic of Germany, VDE 0107 applies.e The number of circuits is dependent on the customer's specific carriersystem configuration.e If several circuits are required by the customer, appropriate allowancemust be made on the interface plate.e Multiwire lines must be provided with wire end sleeves.KeyA Connectors for accessory modules (OR illuminators, monitor bracket)For details of terminals B and C, see the section "Accessory interface",page 71.D Connectors for potential equalizationMaximum terminal cross sectionsTerminals 1 - 4 = 16 mm 2 (AWG 6)Terminals 5 - 8 = 6 mm 2 (AWG 10)E On-site connectorF Ceiling mount connectorsG High-current connectorsMaximum terminal cross section = 4 mm2 (AWG 12)Connector (part no. 6 001 215) with the contacts (H): L1, N1, PE1;L2, N2, PE2 and L3, N3, PE3.H Terminal numbersI Circuit numbers