Electrical Wiring Page - General information, Electrical distribution networks, Human sensitivity to electricity, International Electricity, Mains power connectors, Mains wiring, Mains wiring in Finland, USA/Canada wiring regulations
ElectricianEducation.com - web site designed for the apprentice electrician, journeyman electrician, master electrician, electrical contractor, and electrical inspector. It is about license exam preparation, professional development, continuing education, National Electrical Code,

electronics tutorial! If you want to learn electronics, it's a great place to start.
Energy and Electrical Power! - Discussions of how a wide variety of power souces work.
Glossary of Electrical Wiring Device Terms - General Terms, Adapter Variations, Cord Connectors, Flanged Inlets, Flanged Outlets, Fluorescent Starters, Lampholders, Plugs, Receptacles, Switches, Wallplates, Surge Suppression...