Parallel series electric blasting circuit consists

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A parallel series electric blasting circuit consists of five branches of six caps each. Holes are spaced 10ft (3.05m) apart in a rectangular pattern, Cap legwire length is 24ft (7.3m). Each side of the cap circuit is connected by a No. 16 gauge bus wire 40ft (12.2m) long. The firing line is No. 12 gauge wire 1000ft (305m) long one-way. Find the minimum DC current and voltage required to safely fire this blast under current leakage conditions.

Reference no: EM13315124

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