Reflected Ceiling And Electrical Plans

Electrical systems in a building include lighting, electrical outlets, telephone lines, and other communication systems such as computer networks. A designer's objective is to communicate the nature and locations of these systems in a clear, uncluttered manner. Several approaches are commonly used to do this. The particular method and type of drawing selected will depend on the size and complexity of the project and the office drafting standards. This chapter will discuss electrical system drawings in both residential and commercial projects, both small and large in scale.

The interior designer is responsible for developing the lighting design and for documenting it in a reflected ceiling plan. The reflected ceiling plan is included with the overall architectural drawings and shows the construction of the ceiling, the location of all the lighting, and the location of sprinklers, smoke detectors, and any other objects in or on the ceiling, such as the mechanical (HVAC) air diffusers and grilles. In residential projects and some small commercial projects, the switching and electrical outlets may also be indicated, as illustrated in Figure 14-1.

In larger projects, primarily in commercial work, after the interior designer develops the reflected ceiling plan, an electrical engineering consultant is contacted to prepare a separate plan, called the lighting plan, that includes switching and circuitry. A separate electrical plan, which is sometimes referred to as the power and signal plan, specifies the exact type of circuiting, wire sizes, and other aspects of the systems needed for lighting, convenient outlets, and other fixed equipment. All three plan types are shown in Figure

Electrical Drawings Commercial
Figure 14-1 In small projects, the light fixtures and switching can be shown on the same drawing as the electrical wall outlets.

partial electrical plan

SC: 1/4" = r-0" ligtht fixtures shown as reflected ceiling plan

Figure 14-2 In large commercial projects, electrical drawings often include a reflected ceiling plan that shows elements on the ceiling, a lighting plan for fixtures and switching, and a power plan for electrical supply devices

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Responses

  • rudigar longhole
    How to draw power outlet for project @ceiling?
    4 months ago

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