When determining which wiring method to use, it is necessary to examine the pros and cons of each. Note that traditional e-match and MJG initiators can be fired in parallel or series, but Talon/Clip-on Igniter clips can only be fired in parallel. It is also essential to know that COBRA does not recommend combining series and parallel circuits in a single module. Consider the advantages and disadvantages of series and parallel wiring when deciding which method will work best for you.
Series Wiring (e-Match and MJG only)
- The advantages of series wiring include being able to fire more igniters, defective igniters being identified quickly, and complete continuity being displayed.
- Disadvantages for series wiring include individual defective igniters preventing all igniters from firing depending on the defect.
Parallel Wiring
- The primary advantage of parallel wiring is that all igniters fire in the circuit even if one or more igniters are faulty.
- Disadvantages for parallel wiring include fewer igniters being able to fire as well as faulty igniters being more challenging to identify. Reliable igniters will hide the faulty igniter by showing good continuity because if one match satisfies continuity the module will report good continuity.
Generally speaking, those using quality e-match or MJG initiators will prefer series wiring because series wiring allows for longer distances and a higher maximum number of igniters you can fire on one cue.
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