Modern LASL detonators were subjected to three alternating current waveforms to determine the susceptibility of the detonators to high-order detonations when the line voltages supplied by local utility companies are applied across the detonator electrodes. Dent blocks were used for each test to resolve whether a high-order detonation was obtained. Some of the detonators were confined in mock H.E. inserts to compare the performance of a confined detonator with that of an unconfined detonator. The 1E30, 1E31, 1E33, and SE-lN detonators were investigated on three voltage wave forms, nominally 110, 208, and 440 V. None of these detonators achieved a high-order detonation on any of the waveforms. The detonators either deflagrated or failed. The statistical probability, derived from the test results, of attaining a deflagration when one of these detonators is "plugged into" a wall outlet at any of the waveforms was between 70 and 85%.
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