Potted module does it use Ac power

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The power to the Von Duprin potted module also called potted circuit breaker is non polarized.
For Potted Modules (black color) shipped before August of 2012, you can test by applying power to the potted circuit breaker to and if good the following voltages will be seen (be careful...
EL wiring harness is no longer needed with new EL potted modules.
The PS873-2 power supply will still operate the EL with new potted module.