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Learn the Lingo
Select a letter: A   B   C   D   E   F   G   H   I   J   L   M   N   O   P   R   S   T   U   V   W
A
AC/DCAlternating and direct currents; used to measure electrical current.
Acid gas emissionsGases containing acid that are discharged into the air.
Acid RainRain containing acids that form in the atmosphere when industrial gas emissions combine with water.
Air conditioning systemA system that cools and dries air.
AmpThe basic unit of electric current.
ApprenticeshipHands-on training to learn a trade, art, or business while getting paid.
ArboristA specialist in the care of trees.
ArcThe sparking that results when undesirable current flows between two points of differing potential.
AtomsA part or particle, the smallest unit of an element.
B
BenefitsAn entitlement available that covers the cost of some or all medical and well-being expenses.
BiomassPlant material, vegetation, or agricultural waste used as a fuel or energy source.
BlackoutA temporary loss of power caused by a failure in generation or transmission.
Boiler makerSomeone who makes the boilers.
BrownoutA reduction or cutback in electric power, especially as a result of a shortage, a mechanical failure, or overuse by consumers.
Bucket truckA truck with an aerial lift device used to work on lines, towers and poles.
C
Calandria tubeThe calandria tube contains heavy water and is itself enclosed by a large vessel called the calandria, containing dozens of calandria tubes.
CalibrateTo check, adjust, or determine by comparison with a standard.
CircuitsA continuous path for the flow of electricity.
CoalA fossil fuel that is burned to heat the water the water and produce electricity in a fossil power plant.
CommissioningThe act of granting certain work to external companies to carry out a particular task or duty.
ConstructionThe art, trade, or work of building.
Control TechnicianPerforms installations, commissioning, fabrications, modifications, overhaul inspections, troubleshooting, predictive maintenance, repair and preventive maintenance.
D
DistributionLower voltages of electricity that are distributed to households.
E
ElectriciansPeople who install, maintain, repair, or operate the electrical equipment and circuitry.
ElectricityElectric current used as a source of power.
Electricity sectorThe organizations, regulatory bodies and companies that are involved in the generation and delivery of electricity
Electricity usageThe amount of electricity used by a customer.
ElectronicDevices that operate on electricity.
EnergizeConnecting to a source of power.
EnergyA source of usable power.
Enriched uraniumUranium that’s uranium-235 content has been increased through the process of isotope separation.
Extraction equipmentMechanical equipment used to extract fuel from a nuclear unit.
F
FabricationsThings that are made or created.
ForesterA worker who clears trees and brush away from electrical lines and rights-of-way.
FossilA remnant or trace of an organism of the past, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust.
Fossil plantA generation plant fueled by fossil fuels: coal, oil or natural gas.
G
GasA gaseous fuel, such as natural gas.
Generating capacityThe maximum amount of electric power produced by a generator.
GenerationThe process of production of electric power.
GeothermalThe internal heat of the earth.
Global warmingAn increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change.
Green powerElectricity produced from renewable sources such as wind, low-impact hydroelectric, biomass and solar.
GridThe wires, transformation and distribution stations that make up the electrical system.
H
Health and safetyThe promotion of awareness to achieve a safe environment and work ethic/procedure.
HeatA form of energy associated with the motion of atoms or molecules.
Heat exchangerA device which transfers heat through a conducting wall from one fluid to another.
Hydro poleA wooden, steel or concrete pole that is used to support the distribution lines.
HydroelectricGenerating electricity by converting the energy of running water.
HydrostaticRelating to fluids at rest or to the pressures they use or transmit.
I
Ice Storm of ‘98Rain, ice pellets and a bit of snow fell for more than 80 hours. The precipitation exceeded 85 mm in Ottawa, 73 mm in Kingston, 108 mm in Cornwall and 100 mm in Montreal. The weight of the freezing rain was too great for the hydro towers, poles and wires causing them to collapse. Many people were out of power, some for more than three weeks.
Imaging equipmentEquipment used to examine devices for internal damage not visible to the naked eye.
Industrial Mechanical MillwrightA skilled tradesperson that works on machinery in an industrial environment.
InsulatorA material that insulates, in particular a nonconductor of electricity.
J
JourneypersonA tradesperson who has completed his or her apprenticeship.
L
LandfillsWhere waste material is disposed.
LatheA machine for shaping a piece of material, such as wood or metal, by rotating it rapidly along its axis while pressing against a fixed cutting or abrading tool.
Leak detectionFinding leaks in buried transmission lines or pipelines.
M
MachinistOne who makes, operates, or repairs machines.
Mechanical MaintainerPlays an essential role in equipment surveillance and maintenance programs to ensure safe and reliable plant operations.
MechanicsWorkers skilled in making, using or repairing vehicles.
MeteringMeasuring the amount of electricity used by a consumer for billing purposes.
Methane gasAn odorless, colorless, flammable gas, which is the major component of natural gas.
Milling machineA machine in which metal that is secured to a carriage is fed against rotating cutters that shape it.
MillwrightSomeone who designs, builds, or repairs mills or mill machinery
Mould makingCreating a mould that is used to shape or form a needed part, tool or product.
MWA megawatt; one million watts.
N
NeutronsElectrically neutral subatomic particles bound in an atoms nucleus.
Niagara Falls - Sir Adam BeckA hydroelectric generating plant named after Ontario’s founding father of electricity, Sir Adam Beck.
Non-intrusive infrared thermographyUsed to detect heat variations on the transmission system that indicate areas in need of repair.
NuclearEnergy that is produced by splitting the atoms of Uranium fuel. The heat produced is used to turn water into steam.
Nuclear OperatorMonitors equipment and systems to ensure strict adherence to all safety levels and procedures.
O
OilAny of numerous mineral, vegetable, synthetic substances, and animal and vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels.
Ontario HydroThe predecessor company to ESA, Hydro One, IESO, and OPG.
Ontario Womens’ DirectorateA division of the Ministry of Citizenship and Immigration, the OWD works to promote women’s economic independence and prevent violence against women.
OutageA temporary suspension of operation (e.g. power outage).
OverhaulTo refurbish a system or machine so that it is restored to 100 per cent form and function.
Overhead linesAbove ground distribution and transmission wires.
P
PassPort to SafetyAn innovative national youth health and safety test and transcript program that verifies youth have a basic understanding of what they need to know to protect themselves from injury at work.
PensionA sum of money paid regularly as a retirement benefit, earned after a defined number of years of service.
Plastic suitsProtective equipment used within nuclear stations in different radiation zones.
PlumberA person who installs and repairs pipes and plumbing
PneumaticA structure that is filled with air or powered by air pressure.
Pole-top transformersAbout the size of a garbage can, these devices convert the voltage from the distribution lines into a usable voltage for the customer.
Power Line TechnicianConstructs, repairs and maintains transmission and distribution lines on poles, towers and structures.
Prehistoric plantsPlant material from the prehistoric age, in fossil form.
Pressure tubePressurised water or heavy water flows through the pressure tubes and conveys the heat to a steam generator.
PruningCutting off or removing parts or branches to improve shape or growth.
R
RadiationEnergy that is given off or transmitted as rays, waves, or in the form of particles.
Reciprocating equipmentEquipment that moves alternatively backwards and forwards, such as pumps, saws and other tools.
Reconnect to gridBringing generation back on line to the transmission and distribution network.
RefurbishTo make new through repair and replacement of worn parts.
RegulationsPrinciples, rules, or laws designed to control or standardize.
RespiratorsA device that supplies oxygen or a mixture of oxygen and carbon dioxide for breathing.
Rights-of-wayA right-of-way is a type of easement that gives a utility company the right to erect power lines or bury a gas pipeline across a tract of land.
Roping/riggingA system of pulleys, ropes and cables used to assist in lifting operations.
Rotating equipmentMechanical equipment that has rotating devices.
Rural distributionLower voltages of electricity that are distributed to households outside of urban areas.
S
Safety advocatesIndividuals working within the safety field.
Skilled tradesA job or career that requires a lengthy apprenticeship and considerable skill and expertise.
SolarEnergy that is harnessed from the sun’s rays and transformed into usable energy.
Stationary equipmentMechanical equipment without rotating devices.
SteamWater converted to an invisible vapour or gas by being heated to the boiling point.
SteamfitterSomeone who installs and repairs heating, ventilating, refrigerating and air-conditioning systems.
String wire bussesInstalling electrical wires from pole to pole.
SubstationA secondary or branch station.
T
TechnicianOne whose occupation requires training in a specific technical process.
TechnologistA specialist in technology.
Tool and Die MakerFabricates a wide variety of tools, jigs, fixtures and dies for use in industrial and manufacturing production.
ToolingWork or ornamentation done with tools.
TorqueA turning or twisting force.
Toxic emissionsHarmful substances that are discharged into the air or water.
Transformer stationConverts the electricity produced at a generating station or from transmission lines into the voltage required for distribution lines.
TransmissionSystem that carries the electricity at high voltage from various generation points.
Transmission towersMetal structures that support the transmission lines.
TritiumA rare radioactive hydrogen isotope.
TroubleshootTo determine and solve problems through methodical investigation.
Truck and Coach TechnicianServices and maintains all types of vehicles and equipment.
U
Ultrasonic measure flowUse the transit time principle to calculate flow rate.
Universal flow measuring equipmentDevices that measure flow rates through a variety of methods.
V
VentilationAdmits fresh air in to replace stale or harmful air.
VoltageThe difference in electrical charge between two points in a circuit; expressed in volts.
Voltage — highA voltage greater than 50,000 volts.
Voltage — lowA voltage less than 50,000 volts.
W
WelderA person who joins metals by welding them together.
Wind EnergyEnergy that is produced with the wind turns the blades on a windmill, which in turn turns the turbine that drives the generator producing electricity.
Wire conductorA wire that carries an electrical charge.
WiresFlexible metallic strands or rods made in many lengths and diametres, often electrically insulated, used to conduct electricity.
WIST(Women in Skilled Trades) – Provides pre-apprenticeship training geared to increase the number of women in skilled trades jobs.