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hazard in form of explosion or fire will occur.Outgassing <br />will occur.When the charge current returns,nothing <br />hazardous will occur. <br />Earthquake Protection The Ericsson Energy Storage System 6160 including the <br />Ericsson Enclosure B160 and associated hardware have <br />been tested and found to conform to telecom earthquake <br />requirements of GR-487 and GR-63.These requirements <br />preclude structural or mechanical damage following <br />severe earthquake events.These prevent the battery <br />system from being damaged or dislocated during <br />earthquakes thereby preventing short-circuits and other <br />hazardous results. <br />Corrosion Protection Ferrous elements are hardware are painted or plated to <br />limit corrosion as noted in the UL 9540 listing. <br />CONSEQUENCE BARRIERS <br />Cascading Thermal Runaway <br />Limitation <br />Cell and module designs prevent cascading thermal <br />runaway beyond the initiating module as demonstrated <br />in UL 9540A testing. <br />Fire Detection A smoke detector is included in the B160 cabinet.In the <br />event of a fire within the battery or other cabinet <br />electronics the detector will send an alarm signal to a <br />remote 24/7 Network Operations Center (NOC),alerting <br />the system owner of a potential fire within the enclosure. <br />Deflagration Protection UL 9540A testing has demonstrated that generation of a <br />combustible mixture of vented gasses is not likely.The <br />B160 enclosure contains a panel of safety valves to <br />release pressure from the cabinet following the venting of <br />a battery cell or cells as tested in UL9540A. <br />Emergency Response Plan <br />Training <br />In many cases,an Emergency Response Plan will be in <br />place to provide direction to building personnel or <br />responders on how to safely evacuate a site in the event <br />of a thermal runaway event. <br />Fire Service Response Even though the spread of fire by cascading thermal <br />runaway was shown to be unlikely via UL 9540A testing, <br />in the event of fire,fire service response is beneficial.As <br />the installation locations of cellular communications <br />Confidentiality Class External Confidentiality Label Document Type Page <br />Ericsson Internal Analysis 16 (27) <br />Prepared By (Subject Responsible)Approved By (Document Responsible)Checked <br />ERATLEN Thomas Lennholm <br />Document Number Revision Date Reference <br />1785-BFM 107 220/1 Uen PA2 2025-06-03