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recommended that the needle electrodes selected are those that have been cleared or approved for electromyography
applications. Use a length and gauge appropriate for the test being conducted. The connector is a circular 5 pin DIN
connector. This nonproprietary pin connector is an industry standard for EMG systems. The pin configuration for this
connector is as follows:
pin 1
is active,
pin 2
is reference,
pin 3
is driven shield and
pins 4
and
5
are patient ground.