1、 Tentative Interim Amendment NFPA 111 Standard on Electrical Energy Emergency and Standby Power Systems2016 Edition Reference: Table 4.2.2 TIA 16-1 (SC 15-8-23 / TIA Log #1175) Note: Text of the TIA was issued and incorporated into the document prior to printing, therefore no separate publication is
2、 necessary. 1. Revise Table 4.2.2 to read as follows: Table 4.2.2 Types of SEPSS Type Interruption Time Type O No interruptions UPS carrying load, 0.0 sec Type U UPS system with utility as preferred source Type A 0.25 cycle: 0.0042 sec Type B 1.0 cycle: 0.0167 sec Type 10 10 sec Type M Manual stationary or nonautomatic no time limit Issue Date: August 19, 2015 Effective Date: September 8, 2015 (Note: For further information on NFPA Codes and Standards, please see www.nfpa.org/codelist) Copyright 2015 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
