Table 1-1. Location of Major ComponentsItem Nomenclature1Terminal lug2Clamp3Stake4Wire Assembly5Jumper Cable1-11.EQUIPMENT DATAThe kit consists of 15 galvanized steel stakes captive on 20 meters (65 feet) of galvanized wire rope on a reel. All 15 pegsmust be driven into the earth. Each peg has a star cross section and is tapered from the top to the bottom. The completekit weighs 25 pounds, and includes a 3-pound hammer The 65-foot wire and two 10 foot jumper cables will adequatelyprotect a 5-ton truck.Section III. PRINCIPLES OF OPERATION1-12THE EARTH GROUNDING SYSTEMa Theory. An earth grounding system helps keep the electrical potential on metal surfaces at the same levelas the surrounding earth. Earth grounding also provides a discharge path for externally generated electrical surges,including lightning. An earth ground is made by electrically connecting a generator, shelter or structure to a buried metalconductor which is in con- tact with moist subsoil or reaches into the underground water table The type of groundconductor and method of installation you use depends on the climate and soil conditions of the siteb Ground rods and plates. A ground rod is generally the most effective conductor. You may get a good ground byconnecting to a buried metal object already at the site, such as a metal pipe or a steel building frame. In the desert orother places where1-4
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