Third (part 3) in a set of four guides designed for the student interested in a vocation in electrical work, this guide includes four units: Unit VI--Ohm's Law, covering six lessons (voltage, current-flow and resistance, the Ohm's Law formula, formula for finding voltage, formula for finding resistance); Unit VII--Voltages, covering five lessons (DC voltage, AC voltage, frequency, step-down transformer, operation of a transformer); Unit VIII--Measuring Voltage and Current with a Meter, covering six lessons (ammeter rules, ammeter connection, reading milliamperes, voltmeter rules, voltmeter connection, multimeter); and Unit IX--Watt-Hour Meter (watt and kilowatt, reading a watt-hour meter, your electric bill, kilowatt-hour formula). Each lesson includes an objective, vocabulary, information about the lesson, an assignment, and illustrations. (For beginning units (I through V), see CE 014 109-110.) (SH)