Airport 828HC, Instruction Manual

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© Airport Lighting Company
8.2 Glossary of Terms
A, a – Ampere
AC – Alternating Current (power), Advisory Circular (standards)
ALC – Airport Lighting Company
BCD – Binary Coded Decimal
C – Celsius
CCR – Constant Current Regulator
CS – Current Sensor
CSS – Circuit Selector Switch
CT – Current Transformer
DC – Direct Current
DCMU – Digital Control & Monitoring Unit
DMM – Digital multimeter
FAA – Federal Aviation Administration
FLA – Full Load Amperage
FR – Ferroresonant
Hz – Hertz
IRMS – Insulation Resistance Monitoring System
kv – kilovolt
kW – kilowatt
LED – Light Emitting Diode
LO – Lamp Out
PF – Power Factor
PLC – Programmable Logic Controller
PM – Preventative Maintenance
SSR – Solid State Relay
V, v – Voltage
VA – Volt Amp
VAC, vac – AC Voltage
VDC, vdc – DC Voltage
W – Watt
Xfmr – Transformer