Guarding energized electrical parts within cable trays (H.D. Roberts Jr/DEP/GIE/Harvey/26006)
OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.
July 1, 2015
H.D. Roberts, Jr.
Corporate Safety Manager
Environmental Management Services, Inc.
12232 Industriplex Blvd., Suite 27
Baton Rouge, LA 70609
Dear Mr. Roberts,
Thank you for your October 29, 2014, correspondence to the Occupational Safety and Health Administration (OSHA), Directorate of Enforcement Programs. You requested information on OSHA requirements related to wiring in cable trays in power generating plants. Your question, and our reply, follow.
Guarding energized equipment at voltages below 60 volts DC.
OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.
September 4, 2015
Mr. Mark Duvall, Esq., Principal
Beveridge & Diamond
1350 I St, N.W., Suite 700
Washington, DC 20005
Dear Mr. Duvall:
Thank you for your March 19, 2015 correspondence to the Occupational Safety and Health Administration (OSHA), Directorate of Enforcement Programs. You requested clarification of how OSHA’s energized electrical equipment guarding standard applies to the protection level for direct current (DC).
Requirements for working clearances and spaces around electrical equipment, e.g., ladder cable trays.
OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.