Eaton Small External Battery Cabinet (EBC-S)and Large External Battery Cabinet (EBC-L) User’s and Installation Guide© Eaton Corporation plc 2015. All rights reserved. Revision: 002 Document ID: P-164000504 9 (37)WARNINGTo reduce the risk of fire or electric shock, install this battery cabinet ina temperature and humidity controlled, indoor environment that is freeof conductive contaminants.The ambient temperature must not exceed 40 °C (104 °F). Do notoperate the battery cabinet near water or excessive humidity (95%maximum). The system is not intended for outdoor use.Before you start any installation or service work, make sure that all ACand DC power sources are disconnected. Power may come frommultiple sources. Also ensure system grounding / PE continuity.In a parallel system, the output terminals may be energized even whenthe cabinet is turned off.Batteries can present a risk of electrical shock or burn from high short-circuit current.Electric energy hazard. Do not attempt to alter any battery wiring orconnectors. Attempting to alter wiring can cause injury.Do not open or mutilate batteries. Released electrolyte may be toxicand is harmful to the skin and eyes.IMPORTANT: The battery may consist of multiple parallel strings.Make sure that you disconnect all strings before installation.