An electrical drawing is a type of

technical drawing Technical drawing, drafting or drawing, is the act and discipline of composing drawings that visually communicate how something functions or is constructed. Technical drawing is essential for communicating ideas in industry and engineering. ...

that shows information about power,

lighting Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. Lighting includes the use of both artificial light sources like lamps and light fixtures, as well as natural illumination by capturing daylight. ...

, and

communication Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether Intention, unintentional or failed transmissions are included and whether communication not onl ...

for an

engineering Engineering is the practice of using natural science, mathematics, and the engineering design process to Problem solving#Engineering, solve problems within technology, increase efficiency and productivity, and improve Systems engineering, s ...

or architectural

project A project is a type of assignment, typically involving research or design, that is carefully planned to achieve a specific objective. An alternative view sees a project managerially as a sequence of events: a "set of interrelated tasks to be ...

. Any electrical working drawing consists of "lines, symbols, dimensions, and notations to accurately convey an engineering's design to the workers, who install the electrical system on the job".John E. Traister, Dale C. Brickner (2004). ''Electrician's Exam Preparation Guide: Based on the 2005 NEC''. Craftsman Book Company, 2004. p.269. A complete set of working drawings for the average electrical system in large

s usually consists of: * A plot plan showing the building's location and outside electrical wiring *

Floor plan In architecture and building engineering, a floor plan is a technical drawing to scale, showing a view from above, of the relationships between rooms, spaces, traffic patterns, and other physical features at one level of a structure. Dimensio ...

s showing the location of electrical systems on every floor * Power-riser diagrams showing panel boards. * Single-line diagrams *General arrangement diagrams * Control wiring diagrams * Schedules and other information in combination with construction drawings. Electrical

drafter A drafter (also draughtsman / draughtswoman in British English, British and English in the Commonwealth of Nations, Commonwealth English, draftsman / draftswoman, drafting technician, or CAD technician in American English, American and Canadia ...

s prepare wiring and layout diagrams used by workers who erect, install, and repair electrical equipment and wiring in communication centers, power plants, electrical distribution systems, and buildings.

Bureau of Labor Statistics The Bureau of Labor Statistics (BLS) is a unit of the United States Department of Labor. It is the principal fact-finding agency for the government of the United States, U.S. government in the broad field of labor economics, labor economics and ...

, U.S. Department of Labor
''Occupational Outlook Handbook, 2014-15 Edition, Drafters''
accessed: 2 December 2014.

References

Technical drawing Electrical engineering {{engineering-stub

See also

References