Electrical Construction Drawings Flashcards
Shows the layout and design of an electrical installation.
Electrical Construction Drawings
In order to convey the desired
design information to the
contractor, it is a _______ to obtain
___________ of the
building electrical system.
MUST, complete set of construction
drawings and specification
The following construction drawings and details are generally
required:
- Complete plans and specifications of all
electrical work. - Labeling criteria of all electrical equipment.
- Lighting floor plans including electrical
circuit indicating conduit and wiring sizes. - Power floor plans including electrical circuits indicating
conduit and wiring sizes, equipment and disconnected
switches. - Exit sign / means of egress lighting location and power
supply. - Panel board Schedule.
- Lighting Fixture Schedule.
- Symbol Schedule Diagrams
Specifications and drawings should be include requirements for:
- Race way and conduit with fittings.
- Wire and Cable.
- Electrical boxes, fittings, and installation.
- Electrical Connections.
- Electrical Wiring Devices.
- Circuit and Motor Disconnects.
- Hangers and Supporting Devices.
- Electrical Identification.
- Service Entrance and Details.
- Over current Protection
- Switchboards
- Grounding
- Transformers.
- Panel boards.
- Motor Control Centers.
- Lighting Fixtures.
__________ are specifically
used as construction
drawings to represent
lighting and power
distribution components
and equipment.
Symbols
are well — arranged on the
drawings in the form of a one — line diagram.
Symbols
represents the conductors
extending between two symbols
regardless of the number of conductors.
One line
Generally, the single line
without any additional
identification indicates a
__________ either an ray
ungrounded (hot) and
grounded conductor or
two ungrounded
conductors.
single line, two — wire set of
conductors
Indicates a three-wire set of conductors and soon
Single line with three slashes
