Acceptability of modifying a standard on/off switch to provide lockout capability to a machine.

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 13, 2003

Mr. Thomas L. Jones
Senior Safety Consultant
Accordia
1014 Vine Street, Suite 1100
Cincinnati, Ohio 45202-1195

Dear Mr. Jones:

Electrical conductors and equipment must be approved and used according to its listing/label.

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 27, 2003

Mr. Joe M. Castelli
Corporate Manager of Quality
Ajax TOCCO Magnethermic
1506 Industrial Boulevard
Boaz, AL 35957

Dear Mr. Castelli:

Electrical equipment approved by a NRTL is acceptable to OSHA.

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 [11], 2004

Mr. Mark Pendlebury
President
Penmar Automation, Inc.
1151 Gorham Street, Unit 18
Newmarket, Ontario, Canada L3Y 7V1

Dear Mr. Pendlebury:

Approval of extension cords by a NRTL.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy.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.

DATE:                  June 12, 1991

MEMORANDUM FOR:        AREA DIRECTORS
                       DISTRICT SUPERVISORS

FROM:                  LINDA R. ANKU
                       REGIONAL ADMINISTRATOR

SUBJECT:               Extension Cords Acceptable for Use

Only extension cords (cord sets) that are approved, as an assembly, by a Nationally Recognized Testing Laboratory (NRTL) such as UL are permitted to be used at places of employment.

Workplace use of electrical equipment designated as "Household Use Only" and recordkeeping requirements.

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 16, 2003

Mr. Lawrence A. Gingerich, President
Proactive Environmental Inc.
24275 Potter Ridge Rd.
Creola, OH 45622

Dear Mr. Gingerich:

Approval requirements for replacement, modification, repair, or rehabilitation of electrical utilization equipment.

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.

August 10, 2005

Mr. Jerry L. Brust
Crowe & Dunlevy
20 N. Broadway, Suite 1800
Oklahoma City, OK 73102-8273

Dear Mr. Brust:

NRTL requirements for shielding gas regulators.

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 24, 2012

Mr. David Pryor
Director of Engineering, Global Gas Equipment
Thermadyne Operations Center
P.O. Drawer 1007
2800 Airport Road
Denton, Texas 76207

Dear Mr. Pryor:

Nationally Recognized Testing Laboratories; Supplier's Declaration of Conformity

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    73:62327-62339
  • Title:
[Federal Register: October 20, 2008 (Volume 73, Number 203)][Notices]               [Page 62327-62339]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr20oc08-103]                         


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DEPARTMENT OF LABOR

Occupational Safety and Health Administration

[Docket No.