Lineman’s and Cableman’s Handbook by Thomas M. Shoemaker, James E. Mack
By Thomas M. Shoemaker, James E. Mack
The definitive consultant to distribution and transmission line technology--fully updated
Completely revised to mirror the 2012 nationwide electric protection Code (NESC), The Lineman's and Cableman's guide, twelfth variation, presents in-depth details on overhead and underground distribution and transmission traces. the most recent OSHA, ANSI, and ASTM criteria are emphasised throughout.
This authoritative source offers uncomplicated rules, apparatus, criteria, and defense rules, permitting electric staff to prevent high priced mistakes, diagnose and service strength mess ups, and confirm optimal defense. A wealth of illustrations and pictures make it effortless to appreciate the cloth, and self-test questions and workouts aid make stronger key concepts.
Comprehensive insurance includes:
Electrical ideas and structures * Substations * Circuits * development * Wood-pole, aluminum, concrete, fiberglass, and metal buildings * Distribution automation * Emergency method recovery * Unloading, hauling, erecting, surroundings, and guying poles * Insulators, crossarms, and conductor helps * Line conductors * Distribution transformers * Lightning and surge defense * Fuses * Switches, sectionalizers, and reclosers * Voltage regulators * Transmission tower erection * Stringing, sagging, and becoming a member of line conductors * Live-line upkeep * Grounding * highway lights * Underground distribution * crops administration * Distribution transformer deploy * electric drawing symbols * Single-line and schematic diagrams * Voltage legislation * devices of size, electric definitions, electric formulation, and calculations * upkeep of transmission and distribution strains * Rope, knots, splices, and equipment * mountaineering and wooden poles * protecting gear * OSHA 1910.269 * Resuscitation * Pole-top and bucket rescue
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Extra resources for Lineman’s and Cableman’s Handbook
One can learn how much an ampere is by watching what it can do. An ordinary 60-watt, 120-volt incandescent lamp will require ½ amp. This means that ½ amp is flowing through it all the time that it is glowing. Ammeter If we wish to measure the current of water flowing through a pipe, we place a meter right in the pipeline. A meter for measuring the flow of water in a pipe is called a flow-meter. When such a meter is placed in the line, water flows through it, as shown in Fig. 11, and the meter indicates the number of gallons per second which pass through it.
Electricity has to be manufactured or generated at the very instant when it is wanted. The customer flips a light switch to the on position or turns on the electric range and an order is flashed back through the distribution system (the retail outlet), the substation (the warehouse), the transmission line (bulk transportation), to the generator (the factory), and delivery of electricity must be made immediately. It is important to observe that the current path or the transmission line must have a return wire just as water must have a return pipe.
A high level of injuries occurred because of the limited training, and lack of proper equipment, construction standards, and safety rules. Although records are sketchy, in some areas it has been said that one of every three linemen was killed on the job, and mostly from electrocution. As the power system evolved across the country there were many large line building projects which resulted in linemen “booming around” from project to project. These early linemen quickly established a reputation as individuals who worked hard, took many risks, played hard, and took pride in their work.