Enmienda al Reglamento Núm. 4, Parte 1910 (OSHA) Sección 1910.309 "National Electric Code". No incluido en el índice bajo Ley 149 de 12 dic, 2005

No. 2345 Date: February Approved: Reinaldo Paniagua Diez Secretary of State Commonwealth of Puerto Byco) Laurder Department of Labor and Health Offices Occupational Safety and of State Barbosa Avenue 414 Hato Rey, Puerto Rico RESOLUTION I, Carlos S. Quirós, Puerto Rico Secretary of Labor and Human Resources pursuant to the authority conferred by Section 8 of the Puerto Rico Occupational Safety and Health Act, Act Number 16 of August 5, 1975 (LPRA) as amended, hereby amend the Puerto Rico Occupational Safety and Health Regulation Number Four (Part 1910) approved on February 1st, 1978 by adopting the revision to Section 1910.309 "National Electric Code" which appears in the Federal Register, Volume 41 Number 246 of December 21, 1976. This adoption shall be effective immediately after its approval. Given on this 21 day of February of 1978. Carlos S. Quirós Secretary of Labor and Human Resources 55703 (iv) The following tests shall be performed on all cord sets, receptacles which are not a part of the permanent wiring of the building or structure, and cordand plug-connected equipment required § 1910.309 National ode. to be grounded: (A) All equipment grounding conductors shall be tested for continuity and (c) Ground-funlt protection-(1) shall be electrically continuous. General. Notwithstanding the provisions (B) Each receptacle and attachment of paragraphs (a) and (b) of this seccap or plug shall be tested for correct tion, the requirement in section 210-7 of attachment of the equipment grounding the 1971 National Electrical Code (NFPA conductor. The equipment grounding 70-1971: ANSI C1-1971) that all 15- and conductor shall be connected to its prop- 20-ampere receptacle outlets on singleer terminal. phase circuits for construction sites have (V) All required tests shall be perapproved ground-fault circuit protecformed: tion for personnel does not apply. In lieu (A) Before first use; thereof, the employer shall use either (B) Before equipment is returned to ground-fault circuit interrupters as service following any repairs; specified in paragraph of this sec- (C) Before equipment is used after tion or an assured equipment grounding any incident which can be reasonably conductor program as specified in parasuspected to have caused damage (for graph (c) (3) of this section, to protect example, when a cord set is run over); employees on construction sites. These and requirements are in addition to any other (D) At intervals not to exceed 3 requirements for equipment grounding months, except that cord sets and recepconductors. tacles which are fixed and not exposed (2) Ground-fault circuit interrupters. to damage shall be tested at intervals All 120-volt, single-phase, 15- and 20- not exceeding 6 months. ampere receptacle outlets on construe- (vi) The employer may not make availtion sites, which are not a part of the able or permit the use by employees of permanent wiring of the building or any equipment which has not met the structure and which are in use by emrequirements of this paragraph (c) (3) of ployees, shall have approved groundthis section. fault circuit interrupters for personnel (vii) Tests performed as required in protection. Receptacles on a two-wire, this paragraph shall be recorded. This single-phase portable or vehicletest record shall identify each receptacle, mounted generator rated not more than cord set, and cord- and plug-connected 5kW, where the circuit conductors of equipment that passed the test, and shall the generator are insulated from the indicate the last date it was tested or the generator frame and all other grounded interval for which it was tested. This recsurfaces, need not be protected with ord shall be kept by means of logs, color ground-fault circuit interrupters. coding, or other effective means, and (3) Assured equipment grounding conshall be maintained until replaced by a ductor program. The employer shall esmore current record. The record shall be tablish and implement an assured equipmade available on the jobsite for inspecment grounding conductor program on tion by the Assistant Secretary and any construction sites covering all cord sets, affected employee. receptacles which are not a part of the permanent wiring of the building or structure, and equipment connected by cord and plug, which are available for use or used by employees. This program shall comply with the following minimum requirements: (i) A written description of the program, including the specific procedures adopted by the employer, shall be available at the jobsite for inspection and copying by the Assistant Secretary and any affected employee. (ii) The employer shall designate one or more competent persons (as defined in 29 CFR 1926.32(f) ) to implement the program. (iii) Each cord set, attachment cap, plug and receptacle of cord sets, and any equipment connected by. cord and plug, except cord sets and receptacles which are fixed and not exposed to damage, shall be visually inspected before each day's use for external defects, such as deformed or missing pins or insulation damage, and for indication of possible internal damage. Equipment found damaged or defective may not be used until repaired. FEDERAL REGISTER, VOL. 41, NO. 246-TUESDAY, DECEMBER 21, 1976