Residential Electrician – career overview, electrical systems fundamentals, and training
revision material
Service Conductors - ✔✔Extend from the utility pole, manhole, or pad-mounted transformer
to the service-disconnecting device at the service entrance.
Branch Circuits - ✔✔The circuits that supply the various lighting fixtures, appliances, and
heating devices in a house.
Service Entry Equipment - ✔✔Brings electric power into a building and then distributes it to
the branch circuits.
Transformer - ✔✔A device that converts high voltage electricity to either 120 V or 240 V.
Electrical Service - ✔✔The connection where electrical power enters a house. Includes the
service drop, the weatherhead, the service entry or riser, the electric meter, the service panel
inside the home, and the service grounding components.
Service Cable/Service Drop - ✔✔A set of wires that make the connection between the
transformer or utility pole to the home
Service Entry/Service Riser - ✔✔The pipe or conduit that extends up the side of the home
from the meter socket, protecting the cables inside.
Service Mast - ✔✔a piece of metal conduit that provides service conductor protection at the
proper height requirements for service drops. Always mounted on the exterior of a home.
Conduit - ✔✔A special type of protective pipe that's made specifically for the installation and
protection of electrical wires
revision material
Service Conductors - ✔✔Extend from the utility pole, manhole, or pad-mounted transformer
to the service-disconnecting device at the service entrance.
Branch Circuits - ✔✔The circuits that supply the various lighting fixtures, appliances, and
heating devices in a house.
Service Entry Equipment - ✔✔Brings electric power into a building and then distributes it to
the branch circuits.
Transformer - ✔✔A device that converts high voltage electricity to either 120 V or 240 V.
Electrical Service - ✔✔The connection where electrical power enters a house. Includes the
service drop, the weatherhead, the service entry or riser, the electric meter, the service panel
inside the home, and the service grounding components.
Service Cable/Service Drop - ✔✔A set of wires that make the connection between the
transformer or utility pole to the home
Service Entry/Service Riser - ✔✔The pipe or conduit that extends up the side of the home
from the meter socket, protecting the cables inside.
Service Mast - ✔✔a piece of metal conduit that provides service conductor protection at the
proper height requirements for service drops. Always mounted on the exterior of a home.
Conduit - ✔✔A special type of protective pipe that's made specifically for the installation and
protection of electrical wires
