8536611000 under HS Code ELECTRICAL APPARATUS FOR SWITCHING OR PROTECTING ELECTRICAL CIRCUITS, OR FOR MAKING CONNECTIONS TO OR IN ELECTRICAL CIRCUITS (FOR EXAMPLE, SWITCHES, RELAYS, FUSES, SURGE SUPPRESSORS, PLUGS, SOCKETS, LAMP-HOLDERS, JUNCTION BOXES), FOR A VOLTAGE NOT EXCEEDING 1,000 VOLTS - LAMP-HOLDERS, PLUGS AND SOCKETS: - LAMP-HOLDERS: OF PLASTIC, 8539490000 under HS Code ELECTRIC FILAMENT OR DISCHARGE LAMPS, INCLUDING SEALED BEAM LAMP UNITS AND ULTRA-VIOLET OR INFRA RED LAMPS; ARC-LAMPS - ULTRA-VIOLET OR INFRA-RED LAMPS; ARC-LAMPS : OTHER, and 6909120000 under HS Code CERAMIC WARES FOR LABORATORY, CHEMICAL OR OTHER TECHNICAL USES; CERAMIC TROUGHS, TUBS AND SIMILAR RECEPTACLES OF A KIND USED IN AGRICULTURE; CERAMIC POTS, JARS AND SIMILAR ARTICLES OF A KIND USED FOR THE CONVEYANCE OR PACKING OF GOODS - CERAMIC WARES FOR LABORATORY, CHEMICAL OR OTHER TECHNICAL USES : ARTICLES HAVING A HARDNESS EQUIVALENT TO 9 OR MORE ON THE MOHS SCALE were the top imported HS Codes by AVTOPLAST LLC in 2023.