Testing, analysis and evaluation of the goods and services of others for the purpose of certification Electrical controllers, Electrical distribution boxes, Electrical energy, Electrical cable, Electrical Conductors, Electrical Connectors Electrical Ducts, Electrical Fuses, Electrical Inductors, Electrical Insulation Tape, Electrical Insulators, Electrical Power Extension Cords, Electrical shielding spacers for cables and cable assemblies, Electrical transformers, Electrical wires, Insulated electrical connectors, Insulators for electrical cables, Plastic conduit for electrical use, Plastic conduit for use in electrical installations, Power Supplies (electrical), Transistors (electrical apparatus) and Electrical systems