RPA-REVERSE POLARITY ALARM. (FORMERLY SPI )
Audible warning if neutral wire of incoming 120v AC shore power line is “hot”.
Meets ABYC E11 requirements.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.