5044 B U Bowman Dr #102 ::: Buford, Georgia 30518
e-mail firstname.lastname@example.org ::: Phone: 678.546.6780
|Category "C"||Category "A"||Category "B"||Category "C"|
See Note 2 Below
|Long branch circuits more than 30 feet (9.1 meters) from a Category “B” environment or more than 30 feet (9.1 meters) from Category “C” lo cations.|
See Note 2 Below
|Immediately adjacent on the LOAD side of the service disconnect breaker. They are generally characterized as having short branch circuits and feeder lines. This category includes the following:|
· Distribution Panels and devices
· Bus and feeders
· Heavy appliance outlets with short connections to service entrance
|Located on the LINE side of the Service Disconnect. This category includes the following:|
· Outside and Service Entrances
· Service drops from pole to building
· Run between meter and panel
· Overhead lines to detached buildings or outside equipment
· Underground lines to equipment such as well pumps.
Note 1: Outbuildings supplied from the main panel are considered “Category C” environments. Anything connected in this manner must be protected by a “MAINS INSTALLATION”, not a “BREAKER INSTALLATION”. Interior panels of outlying buildings are treated as "Category B" environments unless they service equipment connected outside the building.
Note 2: Equipment connected to the building’s electrical system from outside the facility can serve as a path for transient voltages. The panel supplying these loads should be protected using a “MAINS INSTALLATION” by going directly to the Bus Bar on the panel (on the LOAD side) instead of connecting to an existing main disconnecting breaker (on the LINE side).
PHONE: (678) 546-6780 FAX: (678) 546-6782
5044 B U Bowman Drive #102
Buford, Georgia 30518
PHONE: (678) 546-6780
Last Updated: 07 Jun 2004
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