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Illustrated Changes to the NEC, 2002 Edition - Part 2

Article 700

Emergency Systems

700.12 General Requirements

A new subsection was added and it reads:

(B) Generator Set
(6) Disconnect.
Where an outdoor-housed generator for emergency circuits is equipped with a readily accessible disconnecting means located within sight (within 50 ft) of the building or structure supplied, an additional disconnecting means is not required on or at the building or structure for the generator feeder conductors. Figure 700-1

Author’s Comment: See Article 100 for the definition of “in sight”.
Intent: The new wording clarifies that a disconnect for the feeder from the generator is not required at or on the building/structure, if the emergency generator disconnecting means is within sight of the building or structure.


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