This quick look up tool, packed with tables, charts, and checklists, takes the guesswork out of almost any electrical design task or calculation. Indispensable for electrical engineers, designers, and technicians, the Handbook provides immediate fingertip access to the fundamental information busy professionals need for everyday use in the field. This second edition has been totally revised to reflect the 2002 National Electrical Code and also includes new sections on telecommunications-structured cabling systems, dissipation array system technology ofr lighting protection, and blown optical fiber technology. With its well illustrated, systematic framework and ready to use tools, no other reference delivers this much time saving data in such a convenient, highly usable format.