AC – Alternating Current
DC – Direct Current
VSWR – Voltage Standing Wave Ratio
NTC – Negative Temperature Coefficient
EMC – Electromagnetic Compatibility
EMI – Electromagnetic Interference
AFT – Automatic Fine Tuning
CRO – Cathode Ray Oscilloscope
BTU – British Thermal Units
ACSR – Aluminium Conductor Steel Reinforced
HRC – High Rupturing Capacity
LV – Low Voltage
HV – High Voltage
EHV – Extra High Voltage
GND – Ground
MCB – Miniature Circuit Breaker
LT – Low Tension
HT – High Tension
LF – Low Frequency
HF – High Frequency
MCCB – Molded Case Circuit Breaker
LA – Lightning Arrester
FET – Field Effect Transistor
JFET – Junction Field Effect Transistor
IGBT – Insulated Gate Bipolar Transistor
RCCB – Residual Current Circuit Breaker
ELCB – Earth Leakage Circuit Breaker
OCB – Oil Circuit Breaker
SWR – Standing Wave Ratio
MOSFET – Metal Oxide Semiconductor Field Effect Transistor
CT – Current Transformer
PT – Potential Transformer
RMS – Root Mean Square
EBIC – Electron Beam Induced Current
CMRR – Common Mode Rejection Ratio
CRT – Cathode Ray Tube
FCEV – Fuel Cell Electric Vehicle
CMOS – Complementary Metal Oxide Semiconductor
SCIM – Squirrel Cage Induction Motor
RTD – Resistance Temperature Detector
BLDC – Brushless DC Electric Motor
SCR – Silicon Controlled Rectifier
GTO – Gate Turn-Off Thyristor
VSI – Voltage Source Inverter
CSI – Current Source Inverter
SP – Single Pole
DP – Double Pole
SPST – Single Pole Single Throw
SPDT – Singe Pole Double Throw
DPST – Double Pole Double Throw
