HAMPDEN

ELECTRICAL PLUGS AND RECEPTACLES; ELECTRICAL SWITCHBOARDS AND PATCHBOARDS, LABORATORY AND THEATRE TYPE; SPECIAL POWER SUPPLIES, AC AND DC; AND EMERGENCY LIGHTING SYSTEMS

ELECTRICAL TEST EQUIPMENT; NAMELY, VOLTMETERS, AMMETERS, OHMMETERS, CONTINUITY TESTERS AND OTHER ELECTRICAL MEASURING INSTRUMENTS THAT ARE DESIGNED TO MEASURE ELECTRICAL QUANTITIES, OR MAKE USE OF THE CHARACTERISTICS OF ELECTRICAL PHENOMENA TO MEASURE PHYSICAL QUANTITIES, SUCH AS SPEED AND TEMPERATURE; EDUCATIONAL TRAINING EQUIPMENT, ELECTRICAL AND INCLUDING ELECTRICAL-MECHANICAL SYSTEMS; NAMELY, ELECTRICALLY OPERATED DEVICES AND MACHINES, AND THE REQUIRED ANCILLARY CONTROLLERS, DESIGNED TO ASSIST THE INSTRUCTION OF THE CHARACTERISTICS OF ELECTRICITY AND THE USE OF ELECTRICAL ENERGY, INCLUDING ELECTRICAL-MECHANICAL AND MECHANICAL-ELECTRICAL CONVERSION, SUCH AS RELAYS, MOTORS AND GENERATORS; POWER SYSTEMS SIMULATORS FOR EDUCATIONAL TRAINING