Safety considerations in electrical work

Chapter Safety considerations in electrical work

Teach Yourself Electricity and Electronics Third Edition Book
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Teach Yourself Electricity and Electronics Third Edition Book

  • Using household ac as an example, the peak value is generally about 165 V; the ef-fective value is 117 V. If full-wave rectification is used (Fig.2-10B), the effective value isstill 117 V. If half-wave rectification is used, as in Fig. 2-10A, the effective value is about58.5 V.Safety considerations in electrical workFor your purposes here, one rule applies concerning safety around electrical appara-tus. If you are in the slightest doubt about whether or not something is safe, leave itto a professional electrician.Safety considerations in electrical work372-10At A, half-wave rectification of ac. At B, full-wave rectification.Effective values are shown by dotted lines.