INDEX-2 Fuses—Continued types, 2-6 to 2-8 G Glossary, AI-1 to AI-3 H Hook-on type voltameter, 1-47 Hot-wire and thermocouple meter movements, 1-15, 1-16 I In-circuit meters, 1-4 Indicating alternating current, 1-13 L Laws of exponents, AII-1, AII-2 M Maintenance and replacement of switches, 3-15 to 3-18 checking switches, 3-15 to 3-18 preventive maintenance of switches, 3-18 replacement of switches, 3-17, 3-18 Manual switches, 3-5 Megohmmeter, 1-38 to 1-40 safety precautions, 1-39 using, 1-39 Meter movements, basic, 1-4 to 1-16 compass and alternating current, 1-10,      1-11 compass and conducting wire, 1-4 to 1-6 damping, 1-12, 1-13 electrodynamic meter movement, 1-13 hot-wire and thermocouple meter movements, 1-15, 1-16 indicating alternating current, 1-13 moving-vane meter movements, 1-14 permanent-magnet moving-coil 1-6 to 1-10 rectifier for ac measurement, 1-11, 1-12 Military designation, fuses, 2-10 to 2-12 new, 2-11, 2-12 old, 2-10, 2-11 Moving-disk frequency meter, 1-52, 1-53 Moving-vane meter movements, 1-14 Multicontact switches, 3-5 to 3-7 Multimeter, 1-40 to 1-48 function switches, 1-41 multimeter safety precautions, 1-46, 1-47 parallax error, 1-43 to 1-46 scales, 1-41 to 1-43 O Ohmmeters, 1-33 to 1-41 ranges, 1-34 to 1-36 safety precautions, 1-37, 1-38 shunt ohmmeter, 1-36, 1-37 using, 1-33, 1-34 Out-of-circuit meters, 1-4 P Permanent-magnet moving-coil movement, 1-6 to 1-10 Plug-type fuses, 2-6 R Ratings, fuse, 2-8 to 2-10 current rating, 2-8 time delay rating, 2-8 voltage rating, 2-8 Rating, switch, 3-15 current rating, 3-15 voltage rating, 3-15 Rectifier for ac measurement, 1-11, 1-12 Relays, 3-22 to 3-30 Replacement and maintenance of switches,      3-15 to 3-18 Replacement of fuses, 2-17 to 2-19 S Schematic symbols, AIII-1 to AIII-10 Shunt ohmmeter, 1-36, 1-37 Solenoids, 3-19 to 3-22 Switch types, 3-4 to 3-16 automatic, 3-5 manual, 3-5 multicontact, 3-5 to 3-7