1、 Errata NFPA 1911 Standard for the Inspection, Maintenance, Testing, and Retirement of In-Service Automotive Fire Apparatus 2012 Edition Reference: 22.8 Errata No.: 1911-12-1 The Committee on Fire Department Apparatus notes the following error in the 2012 edition of NFPA 1911, Standard for the Inspe
2、ction, Maintenance, Testing, and Retirement of In-Service Automotive Fire Apparatus. 1. Delete the following text: 22.8 Dielectric Voltage Withstand Test. 22.8.1 At least every 5 years, and after a vehicle accident or body repair, a dielectric test shall be performed on the line voltage electrical s
3、ystem. 22.8.2 The wiring and permanently connected devices and equipment shall be subjected to a dielectric voltage withstand test of 900 volts for 1 minute. 22.8.3* The test shall be conducted as follows: (1) If the system has a neutral conductor bonded to the vehicle chassis, isolate the power sou
4、rce from the panel board. (2) Disconnect any solid-state low-voltage components. (3) Connect one lead of the dielectric tester to all the hot and neutral busses tied together. (4) Connect the other lead to the fire apparatus frame or body. (5) Close any switches and circuit breakers in the circuit(s
5、). (6) Apply the dielectric voltage for 1 minute in accordance with the testing equipment manufacturers instructions. Issue Date: January 30, 2012 (Note: Electronic products and pamphlet reprints may have this errata incorporated. For current information about the NFPA Codes and Standards, including this errata, please see www.nfpa.org/codelist) Copyright 2012 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
