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// CODE SNIPPET

1910.333(a)(1) Deenergized Parts

OSHA 1910 General Industry > S Electrical > 1910.333 Selection and Use of Work Practices > 1910.333(a) General > 1910.333(a)(1) Deenergized Parts
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Live parts to which an employee may be exposed shall be deenergized before the employee works on or near them, unless the employer can demonstrate that deenergizing introduces additional or increased hazards or is infeasible due to equipment design or operational limitations. Live parts that operate at less than 50 volts to ground need not be deenergized if there will be no increased exposure to electrical burns or to explosion due to electric arcs.

Note 1: Examples of increased or additional hazards include interruption of life support equipment, deactivation of emergency alarm systems, shutdown of hazardous location ventilation equipment, or removal of illumination for an area.

Note 2: Examples of work that may be performed on or near energized circuit parts because of infeasibility due to equipment design or operational limitations include testing of electric circuits that can only be performed with the circuit energized and work on circuits that form an integral part of a continuous industrial process in a chemical plant that would otherwise need to be completely shut down in order to permit work on one circuit or piece of equipment.

Note 3: Work on or near deenergized parts is covered by paragraph (b) of this section.

Related Code Sections


1910.333(a)(1) Electrical, Deenergized Parts
Live parts to which an employee may be exposed shall be deenergized before the employee works on or near them, unless the employer can demonstrate ...
OSHA 1910 General Industry > S Electrical > 1910.333 Selection and Use of Work Practices > 1910.333(a) General > 1910.333(a)(1) Deenergized Parts
1910.333(b)(2)(ii)(D) Electrical,
Stored non-electrical energy in devices that could reenergize electric circuit parts shall be blocked or relieved to the extent that the circuit ...
OSHA 1910 General Industry > S Electrical > 1910.333 Selection and Use of Work Practices > 1910.333(b) Working on or Near Exposed Deenergized Parts > 1910.333(b)(2) Lockout and Tagging > 1910.333(b)(2)(ii) Deenergizing Equipment > 1910.333(b)(2)(ii)(D)
1910.333(b)(2)(ii)(A) Electrical,
Safe procedures for deenergizing circuits and equipment shall be determined before circuits or equipment are deenergized ...
OSHA 1910 General Industry > S Electrical > 1910.333 Selection and Use of Work Practices > 1910.333(b) Working on or Near Exposed Deenergized Parts > 1910.333(b)(2) Lockout and Tagging > 1910.333(b)(2)(ii) Deenergizing Equipment > 1910.333(b)(2)(ii)(A)
1910.333(b)(2)(ii)(B) Electrical,
, selector switches, and interlocks, may not be used as the sole means for deenergizing circuits or equipment. Interlocks for electric equipment may ...
OSHA 1910 General Industry > S Electrical > 1910.333 Selection and Use of Work Practices > 1910.333(b) Working on or Near Exposed Deenergized Parts > 1910.333(b)(2) Lockout and Tagging > 1910.333(b)(2)(ii) Deenergizing Equipment > 1910.333(b)(2)(ii)(B)
1910.333(b)(2)(ii)(C) Electrical,
Stored electric energy which might endanger personnel shall be released. Capacitors shall be discharged and high capacitance elements shall be short ...
OSHA 1910 General Industry > S Electrical > 1910.333 Selection and Use of Work Practices > 1910.333(b) Working on or Near Exposed Deenergized Parts > 1910.333(b)(2) Lockout and Tagging > 1910.333(b)(2)(ii) Deenergizing Equipment > 1910.333(b)(2)(ii)(C)
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