Better Homes and Gardens: Wiring Basics Detailed tutorials with illustrations for working with electrical boxes, wire, conduit, outlets, sockets, surge protectors, plugs, and light fixtures.
Home Wiring Instructions on how to wire 3 or 4 way switches, fan/light combo, pools, garage, hottubs, dwellings, and National Electrical Code compliance.
Telephone Wiring Advice for home phone wiring and jacks with information at adding second or third line and reference for wire color codes.
Ideal Industries Illustrated tutorial on the basics of using a digital multi-meter.
Electrical Safety Foundation International Information about electrical safety in and around the home and neighborhood. Workplace Page for tips and tools to help keep a workplace electrically safe.
Wiring for Power Quality Table illustrates some of the new wiring practices recommended vs. outdated methods.
The Old House Web - Lighting and Electrical Articles on adding a second phone line, safety concerns with an old fuse box, and upgrading and older house for high-tech appliances.