Appendix A – Acronyms

AC

alternating current

AFCI

arc fault circuit interrupter

AHJ

authority having jurisdiction

ANSI

American National Standards Institute

ARCAL

aircraft radio control of aerodrome lighting

AVR

Automatic Voltage Regulator

ASCII

American Standard Code for Information Interchange

BAC

Building Automation and Control

BCD

binary coded decimal

BD

block diagram

BICSI

Building Industry Consulting Services International

CAD

computer-aided design

CATV

community antenna television

CCR

constant current regulator

CEC

Canadian Electrical Code

CPU

central processing unit

CSA

Canadian Standards Association

CSC

Construction Specifications Canada

CT

current transformers

DC

direct current

DCS

distributed control system

DDC

direct digital control

DVR

digital video recorder

EMC

electro-magnetic compatibility

EMI

electro-magnetic interference

EV

electric vehicles

FLA

full load amps

FLC

full load current

GFCI

ground fault circuit interrupter

GUI

graphical user interface

HMI

human machine interfacing

HVAC

heating, ventilation and air-conditioning

I/O

input/output

IEEE

Institute of Electrical and Electronics Engineers

IL

instruction list

IP

Internet Protocol

kVA

kilovolt-amps

LAN

local area network

LD

ladder diagram

LED

light emitting diode

LEED

Leadership in Energy and Environmental Design

MCC

motor control centre

MOV

metal oxide varistor

MSDS

material safety data sheets

NBC

National Building Code

NEMA

National Electrical Manufacturers’ Association

NETA

North American Electrical Testing Association

NFC

National Fire Code

O&M

operations and maintenance

OEM

original equipment manufacturer

OH&S

Occupational Health and Safety

OTDR

optical time-domain reflectometer

OTE

output energized

PA

public address

PDC

power distribution centre

PLC

programmable logic controller

PoE

power over Ethernet

PPE

personal protective equipment

PQA

Power Quality Analyzer

PT

potential transformers

RFID

radio frequency identification

SCADA

Supervisory Control and Data Acquisition

SCTE

Society of Cabling Telecommunications Engineers

ScTP

screened twisted pair

SPL

sound pressure level

SFC

sequential function chart

ST

structured test

TDR

time-domain reflectometer

TIA

Telecommunications Industry Association

ULC

Underwriters Laboratories of Canada

UPS

uninterruptible power supply

UTP

unshielded twisted pair

VDV

voice / data / video

VFD

variable frequency drive

WHMIS

Workplace Hazardous Materials Information System

WLL

working load limit

XIO

examine if opened

XIC

examine if closed