Industry Standard Mandates

NFPA 70E, NEC & OSHA ON ARC FLASH

NFPA

130.5 Arc Flash Risk Assessment

NFPA 70E, NEC & OSHA ON ARC FLASH. Electrical Panels.(A) General. An arc flash risk assessment shall be performed:

  1. To identify arc flash hazards
  2. To estimate the likelihood of occurrence of injury or damage to healthy and the potential severity of injury or damage to health
  3. To determine if additional protective measures are required, including the use of PPE

(F) Arc Flash PPE. One of the following methods shall be used for the selection of arc flash PPE:

  1. The incident energy analysis method in accordance with 130.5(G)
  2. The arc flash PPE category method in accordance with 130.7(C) (15)

Either, but not both, methods shall be permitted to be used on the same piece of equipment. The results of an incident energy analysis to specify an arc flash PPE category in Table 130.7 (C) (15) (c) shall not be permitted.

(H) Equipment Labeling. Electrical equipment such as switchboards, panelboards, industrial control panels, meter socket enclosures, and motor control centers that are in other than dwelling units and that are likely to require examination, adjustment, servicing, or maintenance while energized shall be marked with a label containing all the following information:

  1. Nominal system voltage
  2. Arc flash boundary
  3. At least one of the following:
    1. Available incident energy and the corresponding working distance, or the arc flash PPE category in Table 130.7(C)(15)(A)(b) or Table 130.7(C)(15)(A)(B) for the equipment, but not both
    2. Minimum arc rating of clothing
    3. Site-specific level of PPE

 

NFPA 70 (NEC)

NEC 110.16 Flash Protection - Electrical equipment, such as switchboards, panel-boards, industrial control panels, meter socket enclosures, and motor control centers, in other than dwelling occupancies, that are likely to require examination, adjustment, servicing, or maintenance while energized, shall be field marked to warn qualified persons of potential electric arc flash hazards. The marking shall be located so as to be clearly visible to qualified persons before examination, adjustment, servicing, or maintenance of the equipment.

 

OSHA

Personal Protective Equipment (PPE) and Arc Flash Arc Rated (AR) Clothing

ppe requirementsSimply put: Employees shall have the appropriate PPE for Electrical Hazards present. The only way to determine if hazards are present is to perform an Arc Flash and Shock Hazard Analysis. How do you protect an employee from a hazard if you don’t know the extent of the hazard?

1910.335(a)(1)(i)

Employees working in areas where there are potential electrical hazards shall be provided with, and shall use, electrical protective equipment that is appropriate for the specific parts of the body to be protected and for the work to be performed.

1910.132(d)(1)

The employer shall assess the workplace to determine if hazards are present, or are likely to be present, which necessitate the use of personal protective equipment (PPE). If such hazards are present, or likely to be present, the employer shall:

1910.132(d)(1)(i)

Select, and have each affected employee use, the types of PPE that will protect the affected employee from the hazards identified in the hazard assessment;

Simply put: Companies need to have a record of their analysis and date in which it was completed.

1910.132(d)(2)

The employer shall verify that the required workplace hazard assessment has been performed through a written certification that identifies the workplace evaluated; the person certifying that the evaluation has been performed; the date(s) of the hazard assessment; and, which identifies the document as a certification of hazard assessment.

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