The electrical plan for a residential building looks a lot more
complicated than it really is. This is because licensed
electrical contractors are careful to comply with local
electrical codes that clearly specify materials, connection,
and methods of installation.
The Electrical Plan
use the electrical plan to understand the general layout of the
building, note any special features or unusual conditions, and
apply a rule of thumb based on the number of outlets, switches,
fixtures, and special connections that are specified.
The plan uses a standard set of symbols to show the location of
the service connection, meter location, and interior
distribution panels. It also shows the placement of outlets,
switches, and the fixtures that will be required.
The locations shown are not exact. Final placement is
determined by the electrician and owner just before the
subcontractor begins the work to rough-in the wiring and
The Service Panel Distributes
Circuits are balanced according to
anticipated loads and the detailed requirements of state and
local electrical codes. Generally, there are three types of