Patent ID: 7311538

Claim:
A busway tap-off device interlock comprising: an enclosure for enclosing an electrical disconnect device; means for attaching the enclosure to a busway section of a busway electrical distribution system; an operating handle being attached to the enclosure for movement between an first position and a second position; an operating shaft having a first end attached to the operating handle for common movement therewith, a second end and means for operational communication with the electrical disconnect device such that movement of the operating handle between the first and second positions causes the electrical disconnect device to be moved between an OPEN or OFF position and a CLOSED or ON position; an interlock located at the second end of the operating shaft and configured for movement therewith, the interlock permitting the busway tap-off device to be installed on to the busway section or removal from the busway section when the electrical disconnect device is in the OPEN position and prohibiting the busway tap-off device from being installed on to the busway section or removed from the busway section when the electrical disconnect device is in the CLOSED position.