Shock Protection Boundaries – How are they determined?

Shock Protection Boundaries - NFPA-70E

Shock Protection Boundaries, According to NFPA 70E-2015, is determined by a Shock Risk Assessment. The Shock Protection Boundaries as follows:

  • Limited Approach Boundary. Unqualified persons may not cross a limited approach boundary, except if escorted by a qualified person and they are advised of possible hazards.
  • Restricted Approach Boundary. Only qualified persons may cross a restricted approach boundary and only with appropriate PPE.

Reminder: Shock Protection Boundaries no longer include a Prohibited Approach Boundary.

NFPA 70E: Standard for Electrical Safety in the Workplace®. Originally developed at OSHA’s request, NFPA 70E responds to the latest information about the effects of arc flash, arc blast, and direct current (dc) hazards, and recent developments in electrical design and Personal Protective Equipment (PPE).

Preventive maintenance including inspection, testing, and servicing of electrical equipment should be done on a regular basis. Contact Reuter Hanney, The Electrical Power Specialists, today at bids@reuterhanney.com for a review of your company’s electrical equipment needs and to learn more about safety, and safety maintenance procedures.

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