1、 Tentative Interim Amendment NFPA70EStandard for Electrical Safety in the Workplace2018 Edition Reference: 110.4(A), 130.2(A)(3), 130.6(C)(2), 130.6(F) and 130.6(G) TIA 18-2 (SC 17-8-21 / TIA Log #1265) Note: Text of the TIA was issued and approved for incorporation into the document prior to printi
2、ng. 1. Revise paragraph 110.4(A) to read as follows: 110.4(A) Testing. Only qualified persons shall perform tasks such as testing, troubleshooting, and voltage measuring on electrical equipment operating at voltages equal to or greater than 50 volts Vac or 100 Vdc. 2. Revise paragraph 130.2(A)(3) to
3、 read as follows: 130.2(A)(3) Equipment Operating at Less Than 50 Volts Vac or 100 Vdc. Energized electrical conductors and circuit parts that operate at less than 50 volts Vac or 100 Vdc shall not be required to be de-energized where the capacity of the source and any overcurrent protection between
4、 the energy source and the worker are considered and it is determined that there will be no increased exposure to electrical burns or to explosion due to electric arcs. 3. Revise paragraph 130.6(C)(2) to read as follows: 130.6(C)(2) Obstructed View of Work Area. Where lack of illumination or an obst
5、ruction precludes observation of the work to be performed, employees shall not perform any task within the limited approach boundary of energized electrical conductors or circuit parts operating at voltages equal to or greater than 50 volts or 100 volts or where an electrical hazard exists. 4. Revis
6、e paragraph 130.6(F) to read as follows: 130.6(F) Confined or Enclosed Work Spaces. Where an employee works in a confined or enclosed space (such as a manhole or vault) that contains exposed energized electrical conductors or circuit parts operating at voltages equal to or greater than 50 volts or 1
7、00 volts, or where an electrical hazard exists, the employer shall provide, and the employee shall use, protective shields, protective barriers, or insulating materials as necessary to avoid inadvertent contact with these parts and the effects of the electrical hazards. 5. Revise paragraph 130.6(G)
8、to read as follows: 130.6(G) Doors and Hinged Panels. Doors, hinged panels, and the like shall be secured to prevent their swinging into an employee and causing the employee to contact exposed energized electrical conductors or circuit parts operating at voltages equal to or greater than 50 volts or
9、 100 volts or where an electrical hazard exists if movement of the door, hinged panel, and the like is likely to create a hazard. Issue Date: August 17, 2017 Effective Date: September 6, 2017 (Note: For further information on NFPA Codes and Standards, please see www.nfpa.org/docinfo) Copyright 2017 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
