Importance

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Abstract

An interchangeable plug device includes an electrical plug detachably mountable to a casing and movable between a detached and an operative position relative to the casing, and a releasable locking mechanism integral with the electrical plug to maintain the plug in an operative position. The locking mechanism can be released by a user to allow the plug to be moved to the detached position. A preferred form of locking mechanism is a depressible lock bar connected to or integral with an electrical plug body, which is designed to engage a detent in a casing. A preferred form of electrical connection between the plug and any casing comprises a submerged pin and sleeve configuration to protect the user or passerby from electric shock if the plug is detached from its operative position but remains a source of live current. A variety of interchangeable electrical plugs can preferably be fitted to the same casing.

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First Claim