DS EN 13763-7:2004 Explosives For Civil Uses - Detonators And Relays - Part 7: Determination Of The Mechanical Strength Of Leading Wires, Shock Tubes, Connections, Crimps And Closures Specifies the method for determining the ability of detonator leading wires/shock tubes and their connections into the crimp/closure or sealing arrangement, to withstand a pullout when subjected to a