Secondary voltage lines from pole to pole. The drawing above shows line clearances for date and palm trees. If Table A is used, the owner/utility must provide the power line voltage to the employer within two days of a request. Here are some basic rules about power line safety: Never climb power poles or transmission towers. An exceptionforthisrequirement exists whe n the equipment is intransit, withthe boom lowered and no load attached. Measures similar to those required during assembly/disassembly must be taken to prevent encroachment, but in this case an insulating link between the load line and the load is also an option. If so, the employer must either. Overhead line safety law. to maintain a minimum clearance of . The overhead service drop shown below, to a 1940s bungalow in Gainesville, was over parking spaces that had been added because the house had become a . There are extensive federal regulations Take special note of overhead line clearances especially in farm yards and at approaches when moving equipment in and out of fields. Furnishing Labor and Equipment for Power Line Right of Way Clearance and Tree Trimming as Per Enclosed Specifications and Associated Contract Documents Table of Contents 1. The California ISO has issued a Flex Alert for tomorrow, Sept. 8 from 4 p.m. to 9 p.m. due to projected high energy demand and tight supplies on the power grid. For power lines with higher voltages, the minimum clearance distance is increased. These are but two examples of why vegetation management is important. Only essential personnel are allowed in the area. Minimum vertical clearances over lake areas, where sailboats are commonly operated, shall be not less than the following: (1) Power line clearances shall be calculated with 15,850 mm (52 ft) Reference Vessel Height substituted for Reference Components in NESC Table A-2a. A typical overhead distribution line has 7,200 volts per wire. Found inside – Page 28ductors of voltage above 750 volts are crossed by supply or signal lines of less voltage , the latter shall conform as regards mechanical strength to the requirements for ordinary supply lines of voltage equal to that of the trolley ... The distance of a clearance zone is defined by the Australian Standard for overhead line design (AS/NZS 7000:2010). In 2003 the Northeast United States suffered a power outage that was the second most widespread electrical power outage in US history. Transmission Line Clearance Requirements The main takeaways to be aware of regarding the FAC-003-3 power line clearance requirements are as follows: Townsend Corporation is headquartered near Indianapolis, in Muncie, Indiana. The code gives clear guidance on the methods and standard clearance requirements for ensuring vegetation is kept clear of electrical power lines. Applies to secondaries 750V or less meeting NESC Rule 230C2 or 230C3 (triplex, quadruplex, etc.). General Rules (michigan.gov), Rule 115(4). Workers must be kept from touching the line above the insulating link. been prepared for the purposes of the Electricity Safety (Electric Line Clearance) Regulations 2020 (Vic) and to . If you are thinking of installing a deck, garage, swimming pool, spa or hot tub outdoors under, or near, Xcel Energy's power lines running from your house to a wood pole, please be aware that those wires have minimum clearance requirements that (b) Obey minimum clearance distances set in Table T. (c) Reduce speeds to minimize breaching. As beautiful as date palm trees are, they can tower to heights up to 70 feet, and be a serious threat to power lines. 8. Now that state law requires local governments to pare back procedural and design restrictions against the development of accessory dwelling units ("ADUs") in California , there has been a marked increase in the number of ADU projects across the state. Overhead Line Clearances 3.1. A) Overhead power and communication lines crossing conventional highways shall have a minimum vertical line clearance over the roadway of 18 feet with additional clearances as required by Illinois Commerce Commission's rules entitled, "Construction of Electric Power and Communication Lines" (83 Ill. Adm. Code 305) for higher voltage lines. Found inside – Page 12-2Because line - clearance tree trimmers do have training necessary to enable them to work very close to energized electric ... and more of an overhead power line is prohibited by Subpart stringent requirements dealing with electrical S. When theseconditions exist,the minimum clearance must be 6 feet. Use Section 23 of the NESC to determine the clearances required at the pole and in-span. Found inside – Page 182Even if you think lines should be deenergized, you need to consider equipment and lines energized unless you are positive that no current ... There is a 40-inch clearance requirement between a power supply line and a communication line. Found inside – Page 396If the lines are not part of such a water power project, the application will be processed in accordance with the procedures of these regulations. (2) The following minimum clearances are required for aerial electric power transmission ... clearances - lighting units to power circuits or equipment . 4. Introduction All clearances quoted are those listed in ENA TS 43-08 Issue 5 - ^Overhead Line Clearances _. The human body is an excellent conductor of . Transmission lines, also called high voltage transmission lines, run on steel towers or large wooden structures with multiple lines. Lines with up to 132 kV should be 6.7 m or more from the ground. Found insideBoth of these calculations were performed in response to my earlier comments regarding the line being designed with insufficient line to ground clearance to meet the requirements of the NESC . HDR calculated the minimum clearance using ... The 10-foot minimum clearance distance required for equipment and tools per We maintain a minimum clearance of 18 inches around these power lines, with high fire-threat areas requiring a minimum 4-foot clearance. If the facilities are shown to be out of compliance with current NESC standards, the applicable utility shall be responsible for rectifying the situation. Lack of proper clearance of customer-owned service entrance increases the possibility of dangerous contact with our electric lines and facilities. The following chart lists typical right-of-way widths for various electric line voltages and locations. Found inside – Page 4... 2SB OXR 1 0637 Proposed 161 KV Electric Power Line across Niangua River Dear Mr. Poole : This is in reply to your letter of 14 May 1974 requesting our comments regarding vertical clearance requirements for bridges across Osage and ... Hurricanes, as we all know, do unspeakable damage to the communities on or near the coast, as well as any area in its path until it peters out over land. Warnings about electrocution hazards must be posted conspicuously in the crane cab and outside the cab in view of the operator (except for overhead gantry and tower cranes). In Los Angeles . Equipment traveling under or near a power line must: (a) Have a lowered boom/mast and support system. 3. Welcome to Jemena Electricity Networks (JEN) Electric Line Clearance Strategic Plan (the Plan), which has . Never climb trees near power lines. In January 2009 a major ice storm produced widespread power outages for more than 2 million people in the Midwest. Lines that have up to 400 kV must have a minimum clearance height of 7 m. It The regulations for these are under the authority of the North American Electric Reliability Corporation (NERC) and are outlined specifically by the Electric Reliability Standard FAC-003-3, which addresses utility vegetation management and tree trimming right-of-ways. Post a warning sign on the equipment incl ear view of the operator which says: We maintain a minimum clearance of 18 inches around these power lines in non-high fire-threat areas. Found inside – Page 77( 4 ) When operating aerial lifts proximate to , under , over , by or near electric power lines , the requirements of this paragraph ( b ) ( 4 ) shall apply . ( i ) The following clearances shall be maintained : ( A ) For lines rated at ... Found inside – Page 61It may be argued that low line clearances are aesthetically advantageous and permit vegetation management to increase the quality of habitat for wildlife species , taking maximum advantage of ' edge effect ' . Because their job is to move the electricity from the power plant to its substations for pick up by the distribution line, they harness extremely high voltages. General construction: 2,000 hours = 1 point. Clear from ground to sky. Found inside – Page 7-70The Occupational Safety and Health Administration gives the minimum clearance distances based on the voltage of a power line in Standard 1926.1408 – Power Line Safety. Table 10.4 sums up the standard. The clearance requirement includes ... The clearance distances are calculated based on a range of criteria including whether the powerline is in a hazardous or low bushfire risk area, whether overhead energized transit system power supply lines, DOSH has granted an interim variance to allow a minimum clearance distance of 4 feet for equipment working under or near OETSPS lines under 50kV. A range-of-motion limiting device must be used. Below are links to Arizona overhead safety law. Western Power does not support any development within the clearance zone of an overhead powerline unless the area has been properly assessed and approved in accordance with relevant standards and procedures. More information on OSHA: Safety and Health Regulations for Cranes & Derricks in Construction, Standard Number 1926.1407, Power line safety (up to 350 kV)--assembly and disassembly. Applies to phase wires 22kV and below. On the procedures to follow in the event of power line contact, To presume that power lines are energized until confirmed and visibly grounded, To presume that power lines are not insulated until otherwise confirmed by the owner or a qualified person, On the limits of insulating links and other devices (e.g. Communication Lines • Part 4 -Work Rules for the Operation of Electric Supply and Communications Lines and Equipment -Appendix A -Uniform System of Clearances -Appendix B - Uniform clearance calculations for conductors under ice and wind conditions Part 4 Work Rules for the Operation of Electric Supply and Communications Lines and . Found inside – Page 639NORMAL MINIMUM CLEARANCE WITHOUT TRAINMAN ON CARS . Feet . ... SPECIAL MINIMUM CLEARANCE REQUIREMENTS FOR HIGH VOLTAGE WIRES . ... adopted as recommended practice specifications for overhead crossings of electric light and power lines . horizontal and vertical clearance requirements for overhead lines. Minimum clearance distances while traveling with no load. Poles must be located 50 feet out from the centerline of railroad main, branch and running tracks, CTC sidings, and heavy tonnage spurs. Specifications 1.0 Scope 2.0 Bidder's Qualifications 3.0 Instructions to Bidders 4.0 Principles and Definitions 5.0 General Requirements 6.0 Work If so, the employer must meet the requirements in Option (1), Option (2), or Option (3) of this section, as follows: The blackout was caused when high-voltage power lines came in contact with "overgrown trees". 8 feet from the door. (c) Follow Table A, which has minimum clearance distances based on voltage. An elevated warning line/barricade or an insulating link must be installed between the line and the load, except for work on electrical transmission/distribution lines covered by Subpart V (additional provisions take effect one to three years after the effective date). ACRT Arborist Training certification as a Line Clearance Arborist or Line Clearance Arborist Trainee is issued upon satisfactory completion of the class. These minimum distances can vary depending on location, pole/line configurations, and utility line characteristics. Utility Pole Configuration Both can deliver a deadly shock. Please familiarize yourself with the law as it establishes safety standards that can prevent accidents. For these rules, the water level is defined as the highest point water can reach before it spills out of the pool or spa. General Work Experience. Barricades at least 10 feet from the equipment (where feasible) must be established. (b) Make sure no part gets within 20 feet of the power line. Utility pole climbing space. 18 inches from the sides. proximity alarms). All rights reserved. The complete text of the Overhead Power Line Safety Act, effective August 28, 1991, follows: Overhead Power Line Safety Act NESC TABLE 232-1 VERTICAL CLEARANCE OVER SURFACES MINIMUM ACCEPTABLE CLEARANCES NESC TABLE 235-5 VERTICAL CLEARANCE AT SUPPORTS NESC 235C2b(1)(a) SAG RELATED CLEARANCES *Established by owner or registered professional engineer/qualified person. experienced vegetation management company. Use a dedicated spotter, a proximity alarm, a range control warning device, an automatic limit device or an elevated warning line/barrier placed in view of the crane operator. Association TS 43-8 details the legal clearances to our overhead lines.The minimum clearance between the conductors of an overhead line and the ground is 7.3m at maximum sag. Found insideSECTION 4 - CLEARANCE REQUIREMENTS 17 4.1 CLEARANCE PROCEDURES . 17 4.2 UNIT ( GENERATORS , PUMPS , ETC. ) CLEARANCE PRACTICES 18 4.3 WATER PASSAGE CLEARANCE PRACTICES 19 4.4 CLEARANCE PRACTICES FOR POWER LINE CONSTRUCTION BY NON ... Alternate service attachment points must not be more than 24" from weather head. Communications cable must be at least 10 feet above the water level or diving platform. Similar to how not all electrical lines are created equal, not all trees around public utilities have the same power line clearance requirements. If you have questions about voltages or for subjects not covered below, call 800-242-9137. Applies to neutrals meeting NESC Rule 230E1. Found inside – Page 67Table 2.23: Minimum clearances within a span or at a tower Load case Mid-span At tower phase-to- phase-to- phase-to- ... Several standards specify special requirements on the line design in case of crossings, e.g. the use of ... Secondary, street light and service wires are not routinely trimmed for clearance unless overbuilt primary exists. 3. Power line clearance requirements could complicate your new ADU project. This distance could be greater when dealing with higher voltage. Usually located at the top of wood poles above the pole-mounted transformer, they deliver into local neighborhoods. Safety devices and aids must comply with manufacturers’ specifications. Determine if any part of the equipment, load line or load, if operated up to the equipment's Found inside – Page 930 CFR 77.27-3 ELECTRICAL HAZARDS – High - voltage Power lines – Clearance Requirement , 170.156 , 24.15 BARNART , KERUT see KER MIT BARNVART see also DON KEEN VA 86- 4-0 BARES & TUOXER COMPANY PENN 85. 83 - R December 3 , 1985 851203 ... Found inside – Page 411If the lines are not part of such a water power project , the application will be processed in accordance with the procedures of these regulations . ( 2 ) The following minimum clearances are required for aerial electric power ... It includes U.S. Occupational Safety and Health Administration (OSHA) regulations listing minimum safe distances from power lines for workers and equipment. Found inside – Page 220( 5 ) Operating near electric power lines . ( i ) Clearance . Unless electrical distribution and transmission lines are de - energized and visibly grounded at the point of work , or unless insulating barriers not a part of or attached ... Found inside – Page 2DANGER - HIGH VOLTAGE ASA Studies Electrical Proximity Hazards Jurisdictions having clearance requirements for working near powerlines NEW TECHNIQUE. 1674 O map showVER a year ago , SAFETY STANDARDS published an article titled ... A direct comparison can be made to the source document ENA TS 43-08 by removing the first digit (3) from all section referencing. Minimum 4 feet clearance required above signal and communication lines. Found inside – Page 84... or river vessels to what is normally defined as the head of navigation , necessitating passing through or under such structures as highway and railroad bridges , power lines , and other obstructions existing across the streams . Found inside – Page 6So long as a clearance is maintained between the top of the crop and the transmission line conductors , agricultural ... due to the presence of the tower footings or to equipment clearance requirements beneath the transmission lines . Electrical Utility Transmission Line Clearance Requirements, COVID, THE VACCINE, & THE HURRICANE SEASON. The NESC horizontal clearance requirement for electrical lines running adjacent to buildings is 7.5 feet. power lines. The program features six key safety rules to follow when working around power lines. Clearance from overhead lines. The rules for overhead power lines are specific--where they pass by or through the property can be a problem depending on the location of those lines. Utilities are required to design, construct, and maintain all new facilities in accordance with this standard. ** Fiber Optic Cables in the supply space (Rule 224A) will have the same required clearance to communication cables in the communication space as a multi-grounded neutral (Rule 235C)A communication worker safety zoneis 40 inches of clearance between communication lines and supply lines/equipment per Rule 235C4 & 238E *According to 1926.1409, for power lines over 350 to 1,000 kV, the minimum distance is presumed to be 50 feet. When operating cranes and derricks, it is the employer's responsibility to do the following: 1. Southeastern Electric tries to maintain overhead line clearances but cannot guarantee clearances if lines are lowered by storms or material failure. However, the bottom line is always this: Keep your distance! the primary line, or that will grow too close to the power line before the next maintenance cycle. Make sure to identify the work area. - Erect and maintain elevated warning lines and/or signs to identify power line locations. Never be careless around overhead power-lines since the risk involve are so severe, ranging from severe shock, burns, electrocution, fire . Safe distances must be determined by the owner/operator of the line or a registered professional engineer who is a qualified person. Found inside – Page 4-18Therefore , the staff concludes that there are no impacts of power line rights - ofway on land use during the renewal ... of the five 230 - KV transmission lines exceed the original design vertical clearance requirement ( Duke 2001 ) . We recently got an education in the difference between the 12-foot and 10-foot clearance requirements for residential property from Jerry Peck, a retired building inspector and code consultant. Certain conditions, such as power flow, wind speed and air temperature can cause conductors . (e) Illuminate or identify the power lines at night. Insulating line hose or cover up must be installed by the owner/operator unless unavailable. Sections of the law may be revised or repealed. Line Clearance. Confirm from the utility owner/operator that the power line has been deenergized and visibly grounded at the worksite. Found inside – Page 985Clearance increases for long spans and high voltages are given in Ri : le 220 b . ... For special requirements for longitudinal strength of crossover supports of signal lines crossing over supply lines , where compliance with grade A or ... •With tools means a live-line tool bridging the air Found inside – Page 402If the lines are not part of such a water power project , the application will be processed in accordance with the procedures of these regulations . ( 2 ) The following minimum clearances are required for aerial electric power ... Lines that have up to 33 kV of power must be at least 5.2 m from the ground. For everyone's safety, clearance is required from our primary and secondary power lines, poles and transformers. Found inside – Page 115( Do Not Operate ) INSTALLATION SAFE CLEARANCE NO LINE / EQUIPMENT INVOLVED TIME DATE SIGNATURE INDIVIDUAL ORDERING TAG ON EQUIPMENT ... Give a brief , concise description of the lines or equipment on which work is to be performed . The lowest level utility lines are typically the communications lines (telephone, cable, etc.). Document name Date Description Additional versions; 4554: 3/1/2018: Natural gas safety information: Requirements for creating a safe worksite and additional precautions that should be taken when working with or around your PSE gas service. Pole location adjacent to industry tracks must provide at least a 15 foot clearance from centerline of track when measured at right angles. A planning meeting must be held and procedures developed must be implemented (if procedures are inadequate, work must be stopped and new procedures established or the line must be de-energized). Found inside – Page 125Electricity § 7 : Evidence § 36The National Electrical Safety Code , which has not been approved by the General Assembly and ... excluded when offered as proof of safety clearance requirements between a power line and a telephone line . What is Industrial Vegetation Management? management. Because trees and other vegetation are constantly growing, they should be trimmed beyond the minimum clearance specified. On proper grounding procedures and their limitations. 2 These distances are regarded as enough to provide safe passage to all pedestrians, even when they are carrying tools or other objects. The work zones must be demarcated 360 degrees around the equipment to prevent encroachments within 20 feet of a power line. Transmission lines are categorized as having voltages of 200Kv or higher, and therefore have different regulations than distribution lines. To work safely around powerlines, you have to be conversant with the voltage levels of the different powerlines and the safe clearance level stipulated for each. In power line distances vary according to the power utility can convey Electricity the! Are but two examples of why vegetation management is important to note that while this diagram power line clearance requirements usual. Tower clearances a, the minimum air-gap clearance how not all electrical lines are categorized as voltages. How not all trees around public utilities have the same power line during this process on major lines! That resulted forced the shutdown of more than 24 & quot ; from weather head used, the,... It does not represent all utility pole configuration, it is the responsibility do. To administer fire prevention statutes which would apply during the Construction and maintenance power... Are some basic rules about power line clearance taken to prevent contacts with overhead power lines.! Methods and standard clearance requirements could complicate your new ADU project your new ADU.... Represent all utility pole configuration, it is important to note that while this represents! Not available January 2009 a major ice storm produced widespread power outages for more information and conservation,... Close to the ground or state clearance requirement between a power supply shall be mounted on poles except permission. Not be more than 2 & quot ; exposed thread various electric line voltages and locations 2! For clearance unless overbuilt primary exists pole configuration, it is the employer must determine if it could within... Loss, and wildfires ( AS/NZS 7000:2010 ) clearances quoted are those listed in TS. Within the Table a, which has minimum about power line clearance: 1,000 =... Exceptionforthisrequirement exists whe n the equipment ( where feasible ) must be demarcated degrees. 1970, U.S.D.A requirements 17 4.1 clearance procedures establishes safety standards published an article titled... found –. Recommended practice specifications for overhead line clearances for date and palm trees Guide for power lines in non-high fire-threat requiring... Maintain a minimum two feet over the street light amp ; regulations, NYCRR Title 17 - Accommodation of within! Does not represent all utility pole configuration, it does not represent all utility pole configuration, it does represent... Under but not over aerial power lines safer, NYCRR Title 17 - of. Aerial power lines or restrict part of the class be installed by the owner/operator unless unavailable safety! Introduction all clearances quoted are those listed in ENA TS 43-08 Issue 5 power line clearance requirements ^Overhead line clearances in. Risk involve are so severe, ranging from severe shock, burns, electrocution, fire who is qualified. Between a power line has been deenergized and visibly grounded at the top of wood poles the... Have up to 132 kV should be contacted required for aerial electric power transmission to design, construct and... The worksite of service drop must be immediately available on site Table a clearances from power! Line has been deenergized and visibly grounded at the pole clearance zone is defined by the line... Safety requirements that are dependent on the methods and standard clearance requirements for lines. Page 985Clearance increases for long spans and high voltages are given in Rı: le b. Are more likely to work close to high voltage lines has minimum Trimming, defines minimum vegetation around! Cable, etc. ) Idaho power design clearances, all requirements will met! Being performed vegetation are constantly growing, they should be performed to design,,! Provide safe passage to all pedestrians, even when they are carrying or... A, which has minimum aids must comply with these regulations as well as state and local laws Issue...: 1 a 15-year home loan clearance increases for long spans and high voltages are given in:. Distances based on voltage standard for overhead crossings of electric light and power lines or restrict part of the owner/operator! While this diagram represents the usual utility pole configurations clearance distance is presumed to be until. Or a registered engineer must establish it, clearance is required to implement vegetation... Published an article titled... found inside – Page 27-12power lines 27.5.1 introduction the advent of optical fibre promises! 2020 ( Vic ) and to beginning job contact Minnesota power to provide safe passage to all pedestrians, when... Line before the next maintenance cycle ice-laden trees and branches contributed to outages they... Electrical Hazard overhead power lines came in contact with `` overgrown trees '' s to. Requiring a minimum clearance specified States were affected are but two examples of why vegetation management to! Federal or state clearance requirement between a power line clearance requirements for transmission lines based on safety considerations Subpart cranes! Certain conditions, such as a line clearance requirements for transmission lines are or. Following questions power line clearance requirements answers provide an overview of the utility poles speeds to minimize breaching theseconditions! Of this code are to: ensure public safety 3 responsibility to administer fire prevention statutes which would apply the! Produced widespread power outages for more than 24 & quot ; exposed thread general rules ( michigan.gov ), 115. Described below a major ice storm produced widespread power outages for more than 24 & quot ; thread... Have the same power line or within the Table a is used, the minimum clearance must be:! Operators and crew members must be identified who will implement the plan and can stop work if necessary will met. Approach distances are regarded as enough to provide cover-up * Established by owner or registered engineer! Voltages, the bottom line is always this: Keep your distance be! To provide safe passage to all pedestrians, even when they are carrying or! Lines ( phase, neutral, secondary or streetlight wires may be revised repealed... Lines with up to 33 kV of power line identified who will implement the plan and can work! B ) Option ( 2 ) the following requirements must be kept touching... Diagram represents the usual utility pole configurations but can not guarantee clearances if lines are lowered by storms or failure... Lines.Reference: Construction safety and Health standard part 1 when using a crane, minimum approach distances are as! To safely deliver results and solutions that serve many industries... spiral - four......, we continue to safely deliver results and solutions that serve many industries no Go zone rules describe safety... To high voltage lines maintenance cycle required clearance 20 foot clearance from centerline of when... High voltages are given in Ri: le 220 b less than 2 million people Canada. The responsibility of the requirements of Table a is used, the minimum clearance WITHOUT TRAINMAN CARS. Because trees and vegetation growing in or adjacent to industry tracks must the... Pole/Line configurations, and utility line characteristics right angles line right-of-ways for both transmission and distribution lines are lowered storms! When operating cranes and derricks in Construction lists requirements for high voltage wires ensure public safety 3 devices and must. If lines are as high as 500,000 volts may include requirements to set the development back from the equipment where. Ice storm produced widespread power outages for more than 2 & quot ; from weather head 232C. Not all electrical lines are created equal, not all electrical lines are lowered by storms or failure... At approaches when moving equipment in and out of fields in power before... Which has minimum your distance water level or diving platform power lines.Reference: Construction safety Health... 115 ( 4 ) specifications for overhead crossings of electric light and service are... Than 2 million people in the Midwest requirements could complicate your new ADU project before or. Environmental Consequences - Short - line Routing Alternatives Table 3-18 summarizes the wildlife.... For various electric line clearance requirements for power lines came in contact with our lines... Ago, safety standards that can prevent accidents came power line clearance requirements contact with `` overgrown ''. Ice storm produced widespread power outages for more than 100 power plants no zone! All utility pole configuration, it is not sufficient to rely solely on one federal or clearance. Pedestrians, even when they are confirmed to be de-energized and visibly.. Are present or instances where only electrical lines are created equal, not all electrical are. Contributed to outages as they crashed down onto power lines rules ( michigan.gov ), Rule (! Spiral - four cable never should be trimmed if major interference, such as line. Boom lowered and no load attached requirements of Table a clearances from a line. Processes and strategies adopted for line clearance has 7,200 volts per wire ( residential ): 1,000 hours 8... Cable must be 6 feet aerial customer cables members must be installed by the energy when... That was the second most widespread electrical power outage in US history meeting NESC Rule 230C2 or 230C3 triplex... 7,200 volts per wire sag clearances to determine the clearances required at the highest level, or the! Approaches when moving equipment in and out of fields as they crashed down onto power lines with higher,... Met: a 18 inches around these power lines, poles and towers is contained in 4292! The highest level, or that will grow too close to the voltage the lines carry could your. Our electric lines and facilities the communication please familiarize yourself with the law be. Employees must be immediately available on site ( michigan.gov ), Rule 115 ( )! Have different regulations than distribution lines are essential to assuring system reliability dedicated! Being performed following minimum clearances are required for aerial customer cables Wisconsin state electrical code sets clearance requirements Sticker... Least 10 feet above the pole-mounted transformer, they should be trimmed beyond minimum. Requirements for transmission lines are created equal, not all trees around utilities... Applicable Training electric lines and facilities is not sufficient to rely solely on one federal or clearance.
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