TM 55-1945-205-24-4 0248 00 2 0248 00 LIST OF ABBREVIATIONS/ACRONYMS (CONT’D) Abbreviation/Acronym Name GCB Ground Circuit Breaker GENSET Generator Set GFCI Ground Fault Circuit Interrupter GND Ground GRD Grid GRN Green HR Heater Relay HZ Hertz KW Kilowatt J Junction JB Junction Box LMP Lamp LT Light MCS Modular Causeway System MFR Manufacturer NEU Neutral NO. Number OPT Optional ORG or ORN Orange OVHD Overhead pf Pulse Frequency PH Phase PNK Pink PML Panel PNL Panel Press. Pressure PWR Power R Relay RCPT or RECEPT Receptacle RRDF Roll-On/Roll-Off Discharge Facility RTN Return RVR Reversing Valve Relay SHLTR Shelter SHT Sheet SW Switch TB Terminal Board TYP Typical W/ With WHT White WRG Wiring V Volts VAC Volts Alternating Current VDC Volts Direct Current VIO Violet YEL Yellow