Commonly Used Abbreviations

AC
Alternating current

AL
Aluminium

ARRL
American Radio Relay League

ASRSG
Asynchronous rotary spark gap

AWG
American Wire Gauge

BPS
Breaks per second

BTU
British thermal unit

BTW
By the way

CPS
Cycles per second

CT
Center tapped

CW
Continuous wave

DC
Direct current

DMM
Digital multimeter

DW
Damped wave

EMI
Electromagnetic interference

EMMC
Enhanced Multi Mini Cap

FL
Fluorescent Light

FWIW
For what it's worth

HDPE
High density polyethylene

HF
High Frequency

HV
High voltage

HZ
Hertz

IMHO
In my humble opinion

IMO
In my opinion

KV
Kilovolt

KVA
Kilovolt amp

LDPE
Low density polyethylene

LTRC
Larger than resonance cap

MIG
Metal inert gas

MMC
Multi-mini cap

MOT
Microwave oven transformer

NST
Neon sign transformer

NaCl
Salt

OBIT
Oil-burner ignition transformer

PCB
Polychlorinated biphenyl

PET
Polyethylene terephthalate (mylar)

PF
Power factor

PFC
Power factor correction

PP
Polypropylene

PS
Polystyrene

PT
Potential transformer

PVC
Polyvinyl chloride

PWM
Pulse width modulator

Q
Quality factor

RF
Radio frequency

RFI
Radio frequency interference

RMS
Root mean squared

RPM
Revolutions per minute

RQSG
Richard Quick spark gap

RSG
Rotary spark gap

SG
Spark gap

SRSG
Synchronous rotary spark gap

TC
Tesla coil

TCML
Tesla Coil Mailing List

TIG
Tungsten inert gas

VA
Volt amp

XFMR
Transformer