. . . "Handbooks and manuals" . . . "Simplified electrical wiring design handbook : basics, conductors, raceways, wireways, busways" . . "Simplified electrical wiring design handbook : basics, conductors, raceways, wireways, busways, circuit breakers, safety switches, fuses, power distribution, grounding, transformers, heating design, lighting design, motor wiring and control, integrated home wiring systems, wiring design calculations" . . .