48 Modern Commercial Wiring Copyright Goodheart-Willcox Co., Inc. Electrical Schedules Electrical schedules are tables that list items, such as fi xtures, power requirements, panel- board information, receptacles, transformers, and motors. Schedules save print reading time by placing information in one easy-to-fi nd loca- tion. This helps with project estimating, pur- chasing, and construction. The following are some examples of schedules: • Lighting fi xture schedule—This type of schedule lists the lighting fi xtures used in the project. See Figure 4-8. Each row in the schedule lists basic information for a single type of fi xture. The information includes the number of fi xtures required, the manufacturer, model number, and number and type of lamps. Each type of lighting fi xture also has a unique mark (normally identifi ed as a letter). The marks, which are included on the lighting plan, identify the locations of the fi xtures. • Equipment schedule—An equipment schedule lists the large electrical equipment being installed. The information provided in this schedule varies, depending on the specifi c type of equipment listed. Equipment schedules may include the voltage provided to the equipment, size and type of overcurrent protection, and the number and sizes of conductors feeding the equipment. Motors, heating units, and cooling units are often listed in equipment schedules. • Panel schedule—A panel schedule, Figure 4-9, lists the basic characteristics of a lighting or power panel. The information normally includes the panel voltage, the panel amperage rating, and a chart listing the circuits, circuit breakers, and equipment served by each circuit. • Miscellaneous schedules—The size of the project determines the number and size of schedules. For large projects, schedules may be included to aid estimating and purchasing. A receptacle schedule and a switch schedule may be included. These schedules are similar to a lighting fi xture schedule. Schematic Diagrams Schematic diagrams, also called elementary diagrams, show the arrangement and connec- tions within a circuit. These diagrams show the function and order of items in a circuit without specifying device size or location. Single-Line Diagrams Single-line diagrams use single lines and symbols to show the course of a circuit and its MARK QUAN. DESCRIPTION MANUFACTURER LAMP A 16 WALLMOUNT SURFACE PRESCOLITE #4382 2 - 60W B 6 CEILING/WALL MOUNT LIGHTOLIER - CHR - KEYLESS 6 - 40W C 18 CEILING MOUNT CAN - WHITE PRESCOLITE #1102 75W R - 30 D 5 CEILING/WALL MOUNT CERAMIC KEYLESS 75W E 9 W.P. FLOODLITE HOLDERS 100W FLOOD F 1 PENDANT PRESCOLITE #94401 150W G 2 STEP LIGHT WALL RECESSED PRESCOLITE #3761 2 - 40W H 1 SPHEROID PENDANT PRESCOLITE #576 150W J 1 RECESSED IN FLOOR PRESCOLITE #79-832 75W R - 30 K 6 2 EXPOSED FLUOR. TUBE 5 - 36" & 1 - 24" 30W & 25W LIGHT FIXTURE SCHEDULE Goodheart-Willcox Publisher Figure 4-8. This lighting fi xture schedule lists all of the lighting fi xtures needed for the project. The schedule helps estimators and purchasers determine the quantity and types of products needed.