This document contains a list of common electrical abbreviations from A to Z along with their meanings. It was provided by Lupiter Technologies, an electrical company based in Chennai, India. Contact information is provided at the bottom for sales inquiries.

1. LUPITERTECHNOLOGIES
ELECTRICAL
ABBREVIATIONS
www.lupiter.co.in

2. # Number
Ω Ohm
Φ Phase
A Amperes
AC Alternating Current
A/C Air Conditioning
AFCI Arc Fault Circuit Interrupter
AHU Air Handling Unit
AIC Ampere Interrupting Capacity
AL Aluminum
ATS Automatic Transfer Switch

3. ATC Automatic Temperature Control
AWG American Wire Gauge
BTU British Thermal Units
C Conduit
CATV Cable Television or Community Antennae Television
CB Critical Branch
C/B Circuit Breaker
CBM Certified Ballast Manufacturer
CCT Circuit (also: CIR, CKT)
CCTV Closed Circuit Television
CD Candela

4. CIR Circuit (also: CCT, CKT)
CKT Circuit (also: CCT, CIR)
CLF Current Limiting Fuse
CPT Control Power Transformer
CT Current Transformer
CU Copper
dB Decibel
DC Direct Current
DIA Diameter

5. EB Equipment Branch
ECElectrical Code or Electrical Contractor
EF ExhaustFan
ELEV Elevator
EM Emergency
EMT Electrical Metallic Tubing
EP Emergency Power
EPO Emergency Power Off (Button or Switch)
EWC Electric Water Cooler

6. F Fuse
FA Fire Alarm
FAA Fire Alarm Annunciator
FLA Full Load Amperes
FMC Flexible Metal Conduit
G Ground
GFCI, GFI Ground Fault Circuit Interrupter
GND Ground
GRMC Galvanized Rigid Metal Conduit
HOA Hand-Off-Automatic Switch
HVACHeating, Ventilation, Air Conditioning
HZ Hertz

7. F Fuse
FA Fire Alarm
FAA Fire Alarm Annunciator
FLA Full Load Amperes
FMC Flexible Metal Conduit
G Ground
GFCI, GFI Ground Fault Circuit Interrupter
GND Ground
GRMC Galvanized Rigid Metal Conduit
HOA Hand-Off-Automatic Switch
HVACHeating, Ventilation, Air Conditioning
HZ Hertz

8. IG Isolated Ground
IMC Intermediate Metal Conduit
INT Interlock
KCMIL Thousand Circular Mils
KVA Kilovolt-Amperes
KVAR Kilovolt-Amperes Reactive
LFMC Liquid Tight Flexible Metal Conduit
LTGLighting
LRA Lock Rotor Amps

9. MC Metal Clad Cable
MCB Main Circuit Breaker
MCC Motor Control Center
MCP Motor Circuit Protection
MI Mineral Insulated
MLO Main Lugs Only
MW Megawatt
NC Normally Closed
NEC National Electrical Code

10. NEMA National Electrical Manufacturers Association
NFPA National Fire Protection Association
NL Night Light
NO Normally Open or Number
P Pole
PB Push Button or Panic Button or Pull Box
PNL Panel
PWR Power
PT Potential Transformer
QTY Quantity

11. CONTACT
LUPITER TECHNOLOGIES
No 2, Station Road, Tambaram Sanatorium,
Chennai, TN 600047, IN
Mail : sales@lupiter.co.in
Phone:+91-9499919796