These teacher's materials are for a 24-unit competency-based secondary education course on electricity and electronics designed for California public schools. The 24 units are: (1) an orientation; (2) an introduction to electricity; (3) safety; (4) history of electricity; (5) basic electrical skills; (6) magnetism; (7) the nature of electricity; (8) methods of producing electricity; (9) electrical flow through conductors, insulators, and semiconductors; (10) electrical units of measurement; (11) electrical terms and symbols; (12) components, switches, and circuits; (13) resistance and resistors; (14) electric lamps and heating devices; (15) electromagnetism; (16) alternating current and direct current; (17) motors and generators; (18) low-voltage signal devices; (19) circuit protection devices; (20) house wiring; (21) basic electronics mathematics; (22) communications systems; (23) occupations in electricity and electronics; and (24) opportunities in electricity and electronics. Units begin with instructional management information such as time allocation, objectives, evaluation suggestions, references for the instructor, an overview of the unit, presentation hints and suggested methods of instruction, supplemental activities, and a list of the contents of the unit. Other elements provided for the units include a lecture outline, tests, answers to tests, technical glossaries, student worksheets that are pencil-and-paper exercises and activities, and informational handouts. (CML)