Schematic - Answers Is a structural or procedural diagram of an electrical or mechanical system
Schematics or Schematic Diagrams - Answers They give a scheme, or pattern, according to which devices
are used, without showing the form or physical condition of each element
Physical Drawings - Answers Are drawn freehand or on a computer; like a photograph, these drawings
show device's shape and details of construction
Exploded View - Answers Often these internal parts are drawn as they would appear if the device was
taken apart
Construction Drawings - Answers Show the physical arrangement and views of specific electrical
equipment
Working Drawing - Answers Similar to an architect's floor plan; this type of drawing is most commonly
referred to as a blueprint, even though modern computer-generated prints are no longer blue
Electrical Drawing - Answers Sometimes refers to a more specific drawing
Schematic Symbols - Answers Standardized Symbols
Block Diagrams - Answers Describe a circuit or system in its simplest form; each component of the circuit
is represented by a block and connected by straight lines with arrows; the blocks are often labeled, but
sometimes are identified by their shape
Single-Line Diagrams - Answers Use a single line to connect the device symbols
Complete Diagram - Answers Shows the actual number of wires between any two parts of the circuit; for
instance if three wires are used between elements, the diagram is known as a three-line diagram
Legend - Answers This explains the intended meanings of these unique symbols
Wiring Diagrams (sometimes referred to as connection, equipment, or panel diagrams) - Answers Are
widely used, but they aren't strictly schematic diagrams; wiring diagrams show simple drawings of the
devices and sometimes indicate physical locations and actual connections of wires and equipment, as
well as symbols representing devices
Heavier-Weight Line - Answers A darker line, that indicates the main circuit wiring
Location Plan - Answers You can use this when, for example, your installing a home alarm system, and
you need to know the distance between sensors in order to bring enough wire to the job site
Single-Cell Batteries, Multicell Batteries, and Generators - Answers The most common source of direct
current