Above is a A Reflected Ceiling Plan.A Reflected Ceiling Plan is an architectural design in which the plan of a ceiling is projected on a flat plane directly below, showing the orientation of various electrical or mechanical devices within the ceiling.A Reflected Ceiling Plan is a type of architectural plan that shows the location of numerous things on the ceiling, such as sprinklers, smoke detectors, and other mechanical or electrical devices. Some people mistakenly believe it is a reflection of the Floor Plan, but this is a serious error. This will be addressed in a later section of this text.