Federal Registers
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 1  2010 - 12/17/2010 - Nationally Recognized Testing Laboratories; Supplier's Declaration of Conformity - 75:79035-79048
 2  2008 - 10/20/2008 - Nationally Recognized Testing Laboratories; Supplier's Declaration of Conformity - 73:62327-62339
 3  2000 - 07/31/2000 - Nationally Recognized Testing Laboratories -- Fees;Public Comment Period on Recognition Notices. - 65:46797-46819

Standard Interpretations
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 1  2006 - 07/24/2006 - Approval of employee-furnished equipment for use in hazardous locations; definition of "electric utilization equipment."
 2  2005 - 10/24/2005 - The definition of 'Readily accessible' does not necessarily preclude the locking of electrical panels, provided those needing ready access are provided a key or lock combination.
 3  2005 - 08/10/2005 - Approval requirements for replacement, modification, repair, or rehabilitation of electrical utilization equipment.
 4  2005 - 02/01/2005 - Use of personal cooling fans listed for "residential use only" in an industrial setting.
 5  2004 - 05/11/2004 - Electrical equipment approved by a NRTL is acceptable to OSHA.
 6  2004 - 04/05/2004 - Acceptability of locking switches in the closed (on) position for transformers attached to the main bus duct system.
 7  2004 - 03/31/2004 - Fixed Wiring in Research Facilities and High Voltage Cable Tray Systems at Department of Energy (DOE) Research Laboratories
 8  2003 - 11/26/2003 - Electrical equipment grounding requirements on concrete floors.
 9  2003 - 08/26/2003 - Installation and use of electrical equipment must be consistent with NRTL intructions for that equipment.
 10  2003 - 08/22/2003 - Use of portable vacuum cleaners for cleaning up aluminum and wood dust.
 11  2003 - 05/13/2003 - Acceptability of modifying a standard on/off switch to provide lockout capability to a machine.
 12  2003 - 05/12/2003 - Electrical safety requirements for rechargeable racks for paging transmitters.
 13  2002 - 08/08/2002 - Applicable OSHA standards and safety considerations for microwave device use in a laboratory.
 14  2000 - 11/16/2000 - Applicability of OSHA's LOTO standards; isolation and verification procedures.
 15  1997 - 12/18/1997 - Electrical Conductor Identification.
 16  1997 - 01/14/1997 - Clarification of the OSHA standards applicable to H. VIR (inspection) Windows installed in electrical equipment enclosures.
 17  1996 - 03/12/1996 - Grounding requirements with respect to a battery charger used with rechargeable power tools.
 18  1995 - 09/01/1995 - The Canadian Standards Association, a nationally recognized testing laboratory, marking and double insulated tools.
 19  1995 - 06/07/1995 - Variance request.
 20  1994 - 12/14/1994 - Certification of manufactured products intended for use in the workplace.
 21  1993 - 08/24/1993 - All electrical equipment must be approved.
 22  1992 - 02/18/1992 - Electrical standards as it applies to desktop computers.
 23  1991 - 12/27/1991 - Use of general protective equipment and tools by employees when working near exposed energized conductors or circuit parts in the workplace.
 24  1991 - 10/08/1991 - The use of Maxon-CS-0520-HD VHF transceivers.
 25  1990 - 07/05/1990 - Repair/Rebuilding of UL Listed Equipment for Hazardous Locations.
 26  1990 - 02/28/1990 - The listing requirements in the U.S. for Industrial Packaging equipment.
 27  1989 - 01/09/1989 - Interpretation concerning dry type 5-15 kv transformers and definitions of the terms "acceptable" and "special equipment".
 28  1986 - 10/29/1986 - Testing equipment for use in potentially hazardous environments.
 29  1985 - 07/16/1985 - Nationally recognized testing laboratories evaluate safety features of electrical devices.

Regulations (Standards - 29 CFR)
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 1  1910.399 - Definitions applicable to this subpart.