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Battery earth grounding requirement

Question asked by vspresithaa on Jul 27, 2019
Latest reply on Aug 2, 2019 by chiefns830

i am working in electrical distribution maintenance and operation team. we have batteries for 110VDC battery charger and 230VAC UPS system. the batteries are Nickel cadmium and installed in battery racks. i would like know. Is it require to ground the battery rack. As it is used for critical control application and also we have battery earth fault monitoring system. all the trays and cable terminals are insulated. is it require to ground the battery racks