IEEE Std 1542-2018 pdf download – IEEE Guide for Installation, Maintenance, and Operation of Irrigation Equipment Located Near or Under Power Lines

02-24-2022 comment

IEEE Std 1542-2018 pdf download – IEEE Guide for Installation, Maintenance, and Operation of Irrigation Equipment Located Near or Under Power Lines.
2. Normative references The following referenced documents are indispensable for the application of this document (i.e., they must be understood and used, so each referenced document is cited in text and its relationship to this document is explained). For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments or corrigenda) applies. Accredited Standards Committee C2, National Electrical Safety Code® (NESC®). 2 3. Definitions For the purposes of this document, the following terms and definitions apply. The IEEE Standards Dictionary Online should be consulted for terms not defined in this clause. 3 ground resistance: The resistance of the irrigation system to earth, determined by a grounding electrode or by the contact of the irrigation equipment with the earth, or both. irrigation equipment: Structures, pipes, nozzles, valves, etc., that support, convey, direct, and/or control water or other equipment in an irrigation system. irrigation system:An arrangement of equipment including a water supply that is assembled to systematically apply irrigation to an area. nuisance shock:An electric shock from a steady-state or a discharge current for which a person would consider the sensation to be a mild irritant if it were to occur repeatedly. Syn: annoyance shock, secondary shock reference heights: Assumed height above ground of a metal object (i.e., sprinkler height). water spray: water broken up into minute droplets. water stream: electrically continuous column of water.
4. Application This guide presents a reference source for the operation of irrigation systems located near or under electric power lines to reduce safety risks. The distances between the power line conductors and water spray nozzles that are given in this guide are based on commonly used body resistance values and other parameters that are representative of typical conditions and methods. For conditions where the values of parameters such as water resistivity, system ground resistance, and/or body resistance differ from those used here, the value of the power-line-conductor-to-nozzle distance can be determined using the equations and plots provided in this guide.

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