NFPA's Pocket Electrical References

From the author of Pocket Guide to Residential Electrical Installations and the source of the National Electrical Code comes this portable compendium of useful on-the-job data: calculations, formulas, tables, NEC rules, and hands-on techniques.Features include calculations for transformers, motors, and voltage drop, grounding and bonding requirements, wire and electrode sizing, and load calculations, extensive material on Ohm's Law, knots, crane signals, and first aid procedures, and illustrated guide to conduit-bending measurements and techniques.