AC LOW-VOLTAGE DISTRIBUTION BOARD PLASTIC-CASE CIRCUIT BREAKER PLASTIC-CASE LEAKAGE CIRCUIT BREAKER EARTH LEAKAGE CIRCUIT BREAKER DIRECT-CURRENT POWER CABINET PLASTIC SHELL CIRCUIT BREAKER LOW VOLTAGE DRAWER TYPLE SWITCH EQUIPMENT FIXED BOX-TYPE METAL-ENCLOSED AC SWITCHGEAR INTELLIGENT SWITCH ELECTRIC APPLIANCE EQUIPMENT INSULATION BUS CHUTE OUTDOOR HIGH VOLTAGE BRANCHING BOX OUTDOOR REACTIVE COMPENSATING BOX HIGH TENSION SWITCHGEAR LIGHTING SWITCH BOX OUTDOOR AC HIGH-VOLTAGE VACUUM LOAD SWITCH