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Frequently Violated OSHA Standards
Related to
Overhead Power Lines in the Construction Industry
January 1, 1995 - February 8, 2000
(Sequential Order by Standard)

Subpart L - Scaffolds
1926.451(f)(6) The clearance between scaffolds and power lines shall be as follows: Scaffolds shall not be erected, used, dismantled, altered, or moved such that they or any conductive material handled on them might come closer to exposed and energized power lines than those listed in 1926.451.
1926.454(a)(1) Training. The employer shall have each employee who performs work while on a scaffold trained by a person qualified to recognize the hazards associated with the type of scaffold and to understand the procedures to control or minimize those hazards, including the nature of any electrical hazards, fall hazards and falling object hazards in the work area.
1926.453(b)(3) Electrical Tests. All electrical tests shall conform to the requirements of ANSI A92.2-1969 section 5. However equivalent d.c.; voltage tests may be used in lieu of the a.c. voltage specified in A92.2-1969; d.c. voltage tests which are approved by the equipment manufacturer or equivalent test for the purpose of this paragraph (b)(3)
Subpart N - Cranes, Derricks, Hoists, Elevators, and Conveyors
1926.550(a)(15) Except where electrical distribution and transmission lines have been deenergized and visibly grounded at point of work or where insulating barriers, not a part of or an attachment to the equipment or machinery, have been erected to prevent physical contact with the lines, equipment or machines shall be operated proximate to power lines only in accordance with the following: 550(a)(15)(i);(ii);(iii);(iv);(v);(vi);(vii).
1926.550(a)(15)(i) For lines rated 50kV. or below, minimum clearance between the lines and any part of the crane or load shall be 10 feet.
1926.550(a)(15)(ii) For lines rated over 50 kV., minimum clearance between the lines and any part of the crane or load shall be 10 feet plus 0.4 inch for each 1 kV. over 50 kV., or twice the length of the line insulator, but never less than 10 feet.
1926.550(a)(15)(iv) A person shall be designated to observe clearance of the equipment and give timely warning for all operations where it is difficult for the operator to maintain the desired clearance by visual means.
1926.550(a)(15)(vi) Any overhead wire shall be considered to be an energized line unless and until the person owning such line or the electrical utility authorities indicate that it is not an energized line and has been visibly grounded.
1926.550(a)(15)(vii)(c) Combustible and flammable materials shall be removed from the immediate area prior to operations.
Subpart V - Power Transmission and Distribution
1926.950(b)(1) Initial Inspections, tests, or determinations. Existing conditions shall be determined before starting work, by an inspections or a test. Such conditions shall include, but not be limited to, energized lines and equipment, conditions of poles, and the location of circuits and equipment, including power and communication lines, CATV, and fire alarm circuits.
1926.950(b)(2) Electric equipment and lines shall be considered energized until determined to be deenergized by tests or other appropriate methods or means.
1926.950(b)(3) Operating voltage of equipment and lines shall be determined before working on or near energized parts.
1926.950(c)(1) No employee shall be permitted to approach or take any conductive object without an approved insulating handle closer to exposed energized parts than shown in Table V-1, unless they meet 950(c)(1)(i);(ii);(iii).
1926.950(c)(1)(i) The employee is insulated or guarded from the energized part (gloves or gloves with sleeves rated for the voltage involved shall be considered insulation of the employee from the energized part).
1926.950(c)(1)(ii) The energized part is insulated or guarded from him and any other conductive object at a different potential.
1926.950(c)(2)(i) The minimum working distance and minimum clear hot stick distances stated in Table V-1 shall not be violated. The minimum clear hot stick distance is that for the use of live-line tools held by linemen when performing live-line work.
1926.950(d)(1)(i) The particular section of line or equipment to be deenergized shall be clearly identified, and it shall be isolated from all sources of voltage.
1926.950(d)(1)(iii) After all designated switches and disconnectors have ben opened, rendered inoperable, and tagged, visual inspection or tests shall be conducted to insure that equipment or lines have been de-energized.
1926.950(d)(1)(v) Guards or barriers shall be erected as necessary to adjacent energized lines.
1926.950(d)(1)(ii)(a) Ensure all switches and disconnectors through which electric energy may be supplied to the particular section of line or equipment to be worked have been deenergized.
1926.950(d)(1)(ii)(b) Ensure all switches and disconnectors are plainly tagged indicating that men are at work.
1926.950(d)(1)(iv) Protective grounds shall be applied on the disconnected lines or equipment to be worked on.
1926.950(d)(1)(iii) After all designated switches and disconnectors have been opened, rendered inoperable, and tagged, visual inspection tests shall be conducted to insure that equipment or lines have been deenergized..
1926.950(e)(1)(i) Emergency procedures and first aid. The employer shall provide training or require that his/her employees are knowledgeable and proficient in procedures involving emergency situations.
1926.951(a)(1)(i) Protective Equipment. Rubber protective equipment shall be in accordance with the provisions of American National Standards Institute (ANSI), ANSI J6 series.
1926.951(a)(1)(ii) Rubber protective equipment shall be visually inspected prior to use.
1926.951(a)(1)(iii) In addition, an "air" test shall be performed for rubber gloves prior to use.
1926.951(a)(2) Protective hats shall be in accordance with the provisions of ANSI Z89.2-1971 Industrial Protective Helmets for Electrical Workers, Class B, and shall be worn at the jobsite be employees who are exposed to the hazards of falling objects, electric shock, or burns.
1926.951(b)(2) Body belts with straps or lanyards shall be worn to protect employees working at elevated locations on poles, towers, or other structures except where such use creates a greater hazard to the safety of the employees, in which case other safeguards shall be employed.
1926.951(b)(3) Body belts and straps shall be inspected before use each day to determine that they are in safe working condition.
1926.951(c)(1) Ladders. Portable metal or conductive ladders shall not be used near energized lines or equipment except as may be necessary in specialized work such as in high voltage substations where nonconductive ladders might present a greater hazards than conductive ladders. Conductive or metal ladders shall be prominently marked as conductive and all necessary precautions shall be taken when used in specialized work.
1926.952(a)(1) Visual inspections shall be made of the equipment to determine that it is in good condition each day the equipment is to be used.
1926.952(a)(2) Tests shall be made at the beginning of each shift during which the equipment is to be used to determine that the brakes and operating systems are in proper working condition.
1926.952(a)(3) No employer shall use any motor vehicle equipment having an obstructed view to the rear unless they meet 952(a)(3)(i);(ii).
1926.952(b)(2) Aerial lifts. When working near energized lines or equipment, aerial lift trucks shall be grounded or barricaded and considered as energized equipment, or the aerial left truck shall be insulated for the work being performed.
1926.952(c)(1) All derrick trucks, cranes and other lifting equipment shall comply with subpart N and O of this part.
1926.952(c)(2) With the exception of equipment certified for work on the proper voltage, mechanical equipment shall not be operated closer to any energized line or equipment than the clearances set forth in 1926.950(c).
1926.953(c)(1) No materials or equipment shall be stored under energized bus, energized lines, or near energized equipment, if it is practical to store them elsewhere.
1926.953(d) Tag line. Where hazards to employees exist tag lines or other suitable devices shall be used to control loads being handled by hoisting equipment.
1926.953(g) Attaching the load. The hoist rope shall not be wrapped around the load. This provision shall not apply to electric construction crews when setting or removing poles.
1926.954(a) All conductors and equipment shall be treated as energized until tested or otherwise determined to be deenergized or until grounded.
1926.954(b)(1) New lines or equipment may be considered deenergized when the lines or equipment are grounded.
1926.954(b)(2) New lines or equipment may be considered deenergized when the hazard of induced voltages is not present, and adequate clearances or other means are implemented to prevent contact with energized lines or equipment and the new lines or equipment.
1926.954(e)(1) When attaching grounds, the ground end shall be attached first, and the other end shall be attached and removed by means of insulated tools or other suitable devices.
1926.954(f) Grounds shall be placed between work location and all sources of energy and as close as practicable to the work location, or grounds shall be placed at the work location. If work is to be performed at more than one location in a line section, the line section must be grounded and short circuited at one location in the line section and the conductor to be worked on shall be grounded at each work location. The minimum distance shown in Table V-1 shall be maintained from ungrounded conductors at the work location. Where the making of a ground is impracticable, or the conditions resulting therefrom would be more hazardous than working on the lines or equipment without grounding, the grounds may be omitted and the line or equipment worked as energized.
1926.954(h) Grounding electrode. When grounding electrodes are utilized, such electrodes shall have a resistance to ground low enough to remove the danger of harm to personnel or permit prompt operation of protective devices.
1926.955(a)(4) Before installing or removing wire or cable, strains to which poles and structures will be subjected shall be considered and necessary action taken to prevent failure of supporting structures.
1926.955(a)(5)(i) When setting, moving, or removing poles using cranes, derricks, gin poles, A-frames, or other mechanized equipment near energized lines or equipment, precautions shall be taken to avoid contact with energized lines or equipment, except in bare-hand live-line work, or where barriers or protective devices are used.
1926.955(a)(6)(i) Unless using suitable protective equipment for the voltage involved, employees standing on the ground shall avoid contacting equipment or machinery working adjacent to energized lines or equipment.
1926.955(a)(6)(ii) Lifting equipment shall be bonded to an effective ground or it shall be considered energized and barricaded when utilized near energized equipment or lines.
1926.955(c)(1) Stringing or removing deenergized conductors. When stringing or removing deenergized conductors, the provisions of paragraph (c) (2) through (12) of this section shall be complied with.
1926.955(c)(2) Prior to stringing operations a briefing shall be held setting forth the plan of operation and specifying the type of equipment to be used, grounding devices and procedures to be followed, crossover methods to be employed and the clearance authorization required.
1926.955(c)(3) Where there is a possibility of the conductor accidentally contacting an energized circuit or receiving a dangerous induced voltage buildup, to further protect the employee from the hazards of the conductor, the conductor being installed or removed shall be grounded or provisions made to insulate or isolate the employee.
1926.955(c)(4)(ii) If the existing line is deenergized, proper clearance authorization shall be secured and the line grounded on both sides of the crossover or, the line being strung or removed shall be considered and worked as energized.
1926.955(c)(5) Conductors being strung in or removed shall be kept under positive control by the use of adequate tension reels, guard structures, tielines, or other means to prevent accidental contact with energized circuits.
1926.955(c)(6) Guard structure members shall be sound and of adequate dimension and strength, and adequately supported.
1926.955(c)(7)(ii) The manufacturer's load rating shall not be exceeded for stringing lines, pulling lines, sock connections, and all load-bearing hardware and accessories.
1926.955(d)(1) Stringing adjacent to energized lines. Prior to stringing parallel to an existing energized transmission line a competent determination shall be made to ascertain whether dangerous induced voltage buildups will occur, particularly during switching and ground fault conditions. When there is a possibility that such dangerous induced voltage may exist the employer shall comply with the provisions of paragraphs (d)(2) through (9) of this section in addition to the provisions of paragraph (c) of this 1926.955, unless the line is worked as energized.
1926.955(d)(3) All pulling and tensioning equipment shall be isolated, insulated, or effectively grounded.
1926.955(d)(4) A ground shall be installed between the tensioning reel setup and the first structure in order to ground each bare conductor, subconductor, and overhead ground conductor during stringing operations.
1926.955(d)(5) During stringing operations, each bare conductor, subconductor, and overhead ground conductor shall be grounded at the first tower adjacent to both the tensioning and pulling setup and in increments so that no point is more than 2 miles from a ground.
1926.955(d)(5)(iii) Except for moving type grounds, the grounds shall be placed and removed with a hot stick.
1926.955(d)(6) Conductors, subconductors, and overhead ground conductors shall be grounded at all dead-end or catch-off points.
1926.955(d)(9) When performing work from the structures, clipping crews and all others working on conductors, subconductors, or overhead ground conductors shall be protected by individual grounds installed at every work location.
1926.955(e)(5) Live-line bare-hand work. The automatic reclosing feature of circuit interrupting devices shall be made inoperative where practical before working on any energized line or equipment.
1926.957(c)(1) Barricades and barriers. Barricades or barriers shall be installed to prevent accidental contact with energized lines or equipment.
Subpart X - Stairways and Ladders
1926.1053(b)(12) Ladders shall have nonconductive siderails if they are used where the employee or the ladder could contact exposed electrical equipment, except as provided in 1926.951(c)(1) of this part.