Product Description

Overcurrents and Undercurrents is the best book on electric shock and its prevention. It explains how GFCIs, AFCIs, and similar elecronic devices work. It covers the changes in the National Electrical Code regarding these products. It reviews the world- wide electrical systems, their advantages and disadvantages, and what the future holds. It has **0 pages and *5 illustrations and is available from $ *5.*0 plus S&H.