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| e-mail stedipower@tvss.net ::: Phone: 678.546.6780 |
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| 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. IMPORTANT! 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). | |||
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PHONE: (678) 546-6780 FAX: (678) 546-6782 | ||
Technical Support | Stedi-Power, Inc. | |
General Inquiries |
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Stedi-Power, Inc
5044 B U Bowman Drive #102
Buford, Georgia 30518
PHONE: (678) 546-6780
Last Updated: 07 Jun 2004
©1997-2004 Stedi-Power, Inc.
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5044 B U Bowman Dr #102 ::: Buford, Georgia 30518