b. Electrically driven explosive detonators as follows: 1. Exploding bridge (EB); 2. Exploding bridge wire (EBW); 3. Slapper; 4. Exploding foil initiators (EFI). Technical Notes: 1. The word initiator or igniter is sometimes used in place of the word detonator. 2. For the purpose of 1A007.b. the detonators of concern all utilise a small electrical conductor (bridge, bridge wire, or foil) that explosively vaporises when a fast, high-current electrical pulse is passed through it. In non-slapper types, the exploding conductor starts a chemical detonation in a contacting high explosive material such as PETN (pentaerythritoltetranitrate). In 3. slapper detonators, the explosive vaporization of the electrical conductor drives a flyer or slapper across a gap, and the impact of the slapper on an explosive starts a chemical detonation. The slapper in some designs is driven by magnetic force. The term exploding foil detonator may refer to either an EB or a slapper-type detonator.

Equipment and devices, specially designed to initiate charges and devices containing “energetic materials”, by electrical means, as follows: N.B.: SEE ALSO MILITARY GOODS CONTROLS, 3A229 AND 3A232. a. Explosive detonator firing sets designed to drive explosive detonators specified in 1A007.b.;

Equipment and devices, specially designed to initiate charges and devices containing ‘energetic materials’, by electrical means, as follows: (a) Explosive detonator firing sets designed to drive explosive detonators specified in item (b); (b) Electrically driven explosive detonators, as follows: 1. Exploding bridge (EB); 2. Exploding bridge wire (EBW); 3. Slapper; or 4. Exploding foil initiators (EFI).

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