●  High-voltage alternating current circuit breakers
●  High-voltage alternating current switches
●  High-voltage alternating current switch-fuse combinations
●  High-voltage alternating current contactors and contactor-based motor-starters
●  High-voltage alternating current metal-enclosed switchgears and controlgears
●  High-voltage alternating current disconnectors and earthing switches
●  High-voltage/low-voltage prefabricated substations
●  Mining explosion-proof high-voltage vacuum power distribution devices
●  Mining flameproof movable substations
●  Gas-insulated metal-enclosed switchgears and control gears
●  Automatic reclosers
●  Automatic sectionalizers
●  High-voltage fuses
●  Arresters
●  Neutral-to-earth resistance
●  Transformers (including current transformers and potential transformers)
●  Industrial, scientific and medical (ISM) radio-frequency equipment, DC power supply equipment of power system
●  Information technology equipment
●  Household appliances, electric tools and similar apparatus
●  High-voltage switchgear control apparatus
●  Measuring and control instruments, laboratory electrical equipment