This huge engineering reference is packed with practical information on transmission, distribution, pole line design, wood and concrete poles, capacitors, street lighting, line protection, relaying, dispersed generation, metering, transformer connections, optical fiber ground wires, system   grounding, and engineering economics. This "big yellow book" is such a widely used design source that it's now a standard engineering reference for many rural co-ops and municipal utilities. And it's our top-selling all-in-one engineering reference.