A POWER DEVICE CARTRIDGE USED TO START A FIRE EXTINGUISHER. COMPRISED OF A SHOCK WAVE DEVICE WHICH PRODUCES A SHOCK WAVE WHICH BREAKS THE CLOSURE (DISC). WHEN THE FIRE EXTINGUISHER CIRCUIT OPERATES AN ELECTRIC CURRENT GOES THROUGH THE POWER DEVICE, MAKING THE BRIDGEWIRE HOT, AND IGNITES THE POWDER CONTAINED WITHIN THE DEVICE. WHEN THE CARTRIDGE FUNCTIONS THE DETONATION IS ACCOMPANIED BY A SHOCKWAVE PLUS SMALL AMOUNTS OF SHRAPNEL, SMOKE, FLAMES AND NOXIOUS GASES. THE IGNITION OF THE POWDER GIVES THE ENERGY TO BREAK THE DISC. CARTRIDGE COMPRISES OF A STAINLESS STEEL BODY MEASURING APPROXIMATELY 20 X 50MM.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THE PRODUCT BY THE TERMS OF HEADING 8424 MECHANICAL APPLIANCES (WHETHER OR NOT HAND-OPERATED) FOR PROJECTING, DISPERSING OR SPRAYING LIQUIDS OR POWDERS; FIRE EXTINGUISHERS, WHETHER OR NOT CHARGED; SPRAY GUNS AND SIMILAR APPLIANCES; STEAM OR SANDBLASTING MACHINES AND SIMILAR JET PROJECTING MACHINES GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING 842490 PARTS CN CODE 842490 80 OTHER TARIC CODE 84249080 80 OTHER ALSO CLASSIFIED IN ACCORDANCE WITH: HSEN TO HEADING 8424