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The fifth edition of this guide has undergone extensive revision, in response to major changes in the fields of electrical and electronic drawing. For example, many of the new drawings were prepared using computers or systems associated with them. Thus, a new Section 2, Computer-Aided Design [not included in this Guide], has been written to help the student more easily read these drawings and understand the differences between computer-aided and manually created drawings.
Most students do not have easy access to CAD systems that will produce complete electrical drawings. Therefore, Section 1, General Drawing Techniques, has been retained and strengthened so that a student who has not had previous drafting experience can quickly learn to make technical drawings that are not highly complex. In other words, he or she should be able to work most of the problems in the book after receiving proper instruction.
New subject material includes surface-mounted devices (Section 5), the learning curve (Section 8), solar power (Section 10), robotics (in several sections), and printed-circuit board drawing (Section 6). However, much of the material from the previous edition that is still appropriate has been retained. It should also be noted that much of the material on instrumentation and controls in this guide will not be found in any other guide of its kind. In addition, no other text contains as complete a listing of standard symbols and tables as those appearing in Appendixes B and D.
These important standards have been established by agencies such as ANSI (American National Standards Institute), a private agency founded by industry many years ago, and the IEEE (Institute for Electrical and Electronics Engineers, Inc.), a professional engineering society. Other standards have been formed as needed by JIC (Joint Industrial Council), NMTBA (National Ma chine Tool Builders’ Association), NEMA (National Electrical Manufacturers Association), and agencies of the U.S. government. The reader may obtain lists of the available standards by writing the organizations listed below.
ASME American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017
American National Standards Institute, 1430 Broadway, New York, NY 10018 EIA Electronic Industries Association, 2001 Eye Street, N.W., Washington, DC 20006
IEEE Institute of Electrical and Electronics Engineers, Inc., 345 East 47th Street, New York, NY 10017
JIC Joint Industrial Council, 7901 Westpark Drive, McLean, VA 23101
NEMA National Electrical Manufacturers Association, 2101 L Street, N.W., Suite 300, Washington, DC 20037
NMTBA National Machine Tool Builders’ Association, 7901 Westpark Drive, McLean, VA 23101
Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402
Section 1 -- General Drawing Techniques
Section 4 -- Wiring, Cabling, and Chassis Drawings
Section 5 -- Printed-Circuit Boards
Section 6 -- Flow Diagrams and Logic Diagrams
Section 7 -- The Schematic Diagram
Section 8 -- Microelectronics
Section 9 -- Industrial Controls
Section 10 -- Drawings for the Electric Power Field
Section 11 -- Electrical Drawing for Architectural Plans
Section 12 -- Graphical Representation of Data
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