Description of goods

THE PRODUCT IS KNOWN AS " GAS DISCHARGE TUBE ". THESE ARE SINGLE PROTECTION DEVICES. THEY PREVENT DAMAGE TO TELEPHONY & DATALINE PROTECTION EQUIPMENT BY CREATING A SHORT CIRCUIT WHEN THE ELECTRICAL SURGE EXCEEDS THE SURGE SPARKER VOLTAGE. WHEN THE SURGE PASSES & THE SYSTEM VOLTAGE RETURNS TO NORMAL LEVELS THE GAS DISCHARGE TUBE RETURNS TO ITS HIGH IMPEDENCE.