Electrical Construction Drawings Flashcards
(9 cards)
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
