A distribution box — also called a distribution board, panel board, or breaker panel — is the central electrical supply hub of any building or facility. It divides incoming power into subsidiary circuits and provides a protective fuse or circuit breaker for each one. Selecting the right type determines whether a facility runs without interruption or chases electrical faults through disorganized. Designers uses short name (abbreviation) for the electrical components and equipment in electrical drawings that describes about components or equipment to electrician. Today, electrical systems are essential for homes and industries. Be sure to check the front section of the drawing set for the abbreviations used within that particular set of drawings. If you found an error or out.
[PDF Version]