Wiring design and protection.
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Testing equipment for use in potentially hazardous environments.
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 29, 1986
Mr. Shannon M. Simpson
Regional Sales Manager
Neotronics
P.O. Box 370
411 Bradford Street, N.W.
Gainesville, Georgia 30503
Dear Mr. Simpson:
This is in response to your letter of June 2, concerning testing equipment for use in potentially hazardous environments. Please except our apology for the delay in response.
Double Insulated vs. Electrically Grounded Sewing Machines for Schooling Use.
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 19, 1986
Mr. Neal A. Iund
Chief Mechanic
Bernina Sewing Machine Co., Inc.
70 Orchard Drive
North Salt Lake UT 84054
Subject: Double Insulated vs. Electrically Grounded Sewing Machines for School Use
Dear Mr. Iund:
Although many schools, municipal governments, and public sector employers utilize OSHA's regulations to establish minimum acceptable standards, we do not enforce our standards in these work situations.
Extension cord equipped with a built-in "continuity tester".
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.
April 8, 1993
John D. Fauth
John Fauth Sales Company
P.O. Box 327
Orchard Park, New York
14127
Dear Mr Fauth:
This is in response to your letter asking whether OSHA would require a specific brand of extension cord, equipped with a built-in "continuity tester", be tested for continuity. The built-in "continuity tester" is in the form of a light embedded in the receptacle portion of the cord set. When the light is on, that means the cord is energized.
Electrical safety related work practices applicable to employees operating or working on or nearby, motor control centers in the workplace.
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.
January 13, 1992
Mr. Arthur J. Smith III
Waldemar S. Nelson and Company Incorporated
Engineers and Architects
1200 St. Charles Avenue
New Orleans, Louisiana 70130
Dear Mr. Smith:
This is further response to your letter of October 11, concerning electrical safety-related work practices applicable to employees operating, or working on or nearby, motor control centers in the workplace. The safety guidance you requested follows.
Electrical Standards.
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.
June 22, 1981
Grounding requirements with respect to a battery charger used with rechargeable power 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.
March 12, 1996
Mr. Barron L. Stroud, Jr.
Law Offices of Miles
& Stockbridge
10 Light Street
Baltimore, MD 21202-1487
Dear Mr. Stroud:
This is in response to your April 18 letter requesting clarification regarding the grounding requirements of 29 CFR 1910.304 with respect to a battery charger used with rechargeable power tools. Please accept our apology for the delay in responding. Your question and our reply follow.
Electrical Conductor Identification.
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 18, 1997
Review of Electrical Utilities Procedures for Compliance with Subpart K of Part 1926.
NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.
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 24, 1988
Electrical Grounding of Overhead Cranes and Hoists.
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 5, 2011
Mr. Eric Street
Konecranes, Inc.
4401 Gateway Boulevard
Springfield, Ohio 45502
Dear Mr. Street: