Wiring design and protection.
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A Ground-Fault Circuit Interrupter may not be used in lieu of a tester or meter that can test for continuity of the equipment grounding conductor.
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.
May 16, 1989
Ms. Kathleen V. Hopkins
Corporate Director of Safety
George Hyman Construction Company
7500 Old Georgetown Road
Bethesda, Maryland 2084-6196
Dear Ms. Hopkins:
This is in response to your correspondence to Mr. Roy Gurnham, Director, Office of Construction and Civil Engineering Safety Standards requesting clarification of the assured equipment grounding conductor program requirements. Since this is more of a compliance issue, your letter was forwarded to the Office of Construction and Maritime Compliance Assistance.
Ground fault circuit interrupters on extension cords and portable tools.
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.
November 4, 1992
Ernest Breaux, Jr.
Bechtel Environmental
P.O. Box 98 - Hwy 26 E.
Arkadelphia, AR 71923
Dear Mr. Breaux:
This is in response to your August 31 letter requesting an interpretation of an Occupational Safety and Health Administration (OSHA) standard addressing ground fault circuit interrupters on extension cords as well as on portable tools. I apologize for the delay in our response.
Ground continuity monitoring devices.
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.
December 1, 1991
Mr. G. A. Rodriquez
Safety Specialist
Reynolds Electrical & Engineering Co., Inc.
5301 Tamanar Drive
Las Vegas, Nevada 89130
Dear Mr. Rodriquez:
This is in response to your September 5 facsimile of a letter dated March 25 concerning the use of the Ericson Manufacturing Company's ground continuity monitoring device. Please accept my apology for the delay in this response.
Approval of Portable Generators by a qualified testing laboratory.
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.
October 1, 1991
Mr. Colin Iwasa
OPE Product Coordinator
Yamaha Motor Corporation
6555 Katella Avenue
Cypress, California 90630
Dear Mr. Iwasa:
This is in response to your August 14, 1991, letter requesting clarification of the Occupational Safety and Health Administration's (OSHA) electrical standards pertaining to portable generators.
CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
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 9, 2003
Use of approved GFCI's that do not have open-neutral protection.
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 7, 2003
David Touhey
Contract Risk Management, Inc.
P.O. Box 211
Concord, NH 03302-0211
Re: Whether GFCIs are required to have "open-neutral protection."
Dear Mr. Touhey:
We are writing in response to your letter of August 20, 2002, to the Occupational Safety and Health Administration (OSHA) regarding "open-neutral protection" in ground-fault circuit interrupter (GFCI) devices. We apologize for the long delay in providing this response.
Repair requirements for the cord plug (attachment plug) of double-insulated tools.
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.
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.
Relevance of NFPA 70E industry consensus standard to OSHA requirements; whether OSHA requirements apply to owners.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 25, 2003 Requirements of 1926.404(b)(1) application to 208-volt branch circuits; electrical subcontractor requirements under 1926.404(b)(1) to monitor other on-site subcontractors.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. February 7, 2005
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