The electrical service that supplies the building is provided
in two stages. First as temporary power to a post installed by
a licensed electrical contractor according to the site
utilization plan. The post has a meter and grounded connections
for use during construction.
Connections to the main power source
The second stage of electrical service begins with the
installation of the permanent meter and the main disconnect
switches at the utility connection. The meter in mounted on an
exterior wall of the building or as a free standing meter
The supply side of the meter is grounded to a copper rod driven
into the ground or to a wire attached to the steel reinforcing
in the foundation footer.
When the meter is not mounted on an exterior wall, an
underground cable runs from the utility connection to the
service panel. An electrical conduit makes it easier to change
or upgrade this cable to accommodate future needs.
The anticipated loads for branch circuits and circuit breakers
are determined by the electrical plan. These loads vary
according to the number of receptacles and switches, as well as