Arc Flash Studies & Labeling

Arc Flash Analysis Studies are required to ensure that maintenance personnel are aware of the hazards and can take proper precautions before working on live electrical equipment. An arc flash can occur when phase conductors come in contact with one another or ground. This “Short Circuit” causes the air to ionize creating conductive plasma gas which generates large amounts of heat. This tremendous amount of heat, in the range of 35,000 deg F, can severely burn human skin and ignite clothing resulting in further burning.

An Arc Flash Analysis of every non-residential facility is required by OSHA based on the General Duty Clause Section 5(a)(1) which requires an employer to furnish to its employees –

“employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees…

Phoenix Engineering can perform an Arc Flash Analysis which can included but not be limited to the following tasks:

  • Perform a site survey to locate all panel boards, switchboards, and transformers.
  • Collect site data such as conductor, breaker, and load information required to conduct required calculations.
  • Create a one-line riser diagram to reflect current built conditions.
  • Perform Fault Current calculations.
  • Perform a selective coordination study on the Emergency Power Supply System as per NEC articles 700 and 701, documenting any system coordination deficiencies.
  • Perform a flash hazard analysis in accordance with NFPA 70E.
  • Provide labeling for panel boards, transformers and switchboards in accordance with NFPA 70E.
Tampa Office
10012 N Dale Mabry Hwy
Suite 102
Tampa, FL 33618
P: 813.963.0888
F: 866.335.0109
E: info1@phoenixeng.us
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