Acronyms

These acronyms while common, may not be accurate in every single case.

120V - 120 Volt

12V - 12 Volt

240V - 240 Volt

24V - 24 Volt

277V - 277 Volt

60HZ- 60 hertz

A - Ampere (Amp)

ABRT - Abort

AC - Alternating current

ACK - Acknowledge

ADA - Americans with Disabilities Act

ADDR - Address

ALM - Alarm

ANN - Annunciator

AUD - Audible

AV - Audible Visual

BATT - Battery

CPU - Central Processing Unit

DBG - Debug

DC - Direct current

ELEV - Elevator

EOL- End of Line

FAIL- Failure

FLT - Fault

FW - Firmware

FWR - Full Wave Rectified

GND - Ground

HZ - Hertz

MOD - Module

MON - Monitor

MT - Mount -or- Multi-tone

NA - Notification appliance

NAC - Notification Appliance Circuit

NFPA - National Fire Protection Association

NICET - National Institute for Certification in Engineering Technologies

PGRM or PROG - Program

PRE - Pre-alarm

PRI2 - Priority 2

PSTN - Public switched telephone network

PSU - Power Supply Unit

PT - Point

PULL - Pull station

PWR - Power

REL - Release

RST - Resettable

SERV or SVC - Service

SIL - Silence

SLC - Signalling Loop Circuit

SMK - Smoke

SUPV - Supervisory

SW - Switch -or- service water

SYS - System

TEL - Telephone

TRBL or TBL - Trouble

UL - Underwriter's Laboratories

ULC - Underwriter's Laboratories Canada

V - Volt

ZN - Zone