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15 Acronyms, Abbreviations, Definitions, and Initialisms A ampere AC alternating current ADC Analog to Digital Converter AEL Alternative Energy Lab AREMA American Railway Engineering and Maintenance-of-Way Association class TX category Extended Temperature range CSV comma-separated values DAC Digital to Analog Converter DC direct current EMI electro-magnetic interference ESDD equivalent salt deposit density FRA Federal Railway Administration GCRTA Greater Cleveland Regional Transit Authority GSM Global System for Mobile Communications HVAC high voltage alternating current HVDC high voltage direct current IC integrated circuit IEEE Institute of Electrical and Electronics Engineers KMZ Keyhole Markup Language NEC National Electrical Code NESC National Electrical Safety Code PCB printed circuit board PD partial discharge PGA programmable gain amplifier RF radio frequency SCADA supervisory control and data acquisition SHP Shapefile UA University of Akron USCD unified specific creep age distance V volt VAC volts alternating current W watt
