3.3.

Detonators (including delay detonators) and relays shall also comply with the following requirements: detonators must reliably initiate the detonation of the blasting explosives which are intended to be used with them under all foreseeable conditions of use; delay connectors for detonating cords must be reliably initiated; the initiation capability must not be adversely affected by humidity; the delay times of delay detonators must be sufficiently uniform to ensure that the probability of overlapping of the delay times of adjacent time steps is insignificant; the electrical characteristics of electric detonators must be indicated on the packaging (e.g. no-fire current, resistance); the wires of electric detonators must be of sufficient insulation and mechanical strength including the solidity of the link to the detonator, taking account of their intended use.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-13 · Text as adopted (Official Journal); later amendments are not incorporated in this text.