Lockable electrical apparatus

DETAILED DESCRIPTION In one aspect, the present invention provides novel lockable electrical apparatus to prevent unauthorized or inadvertent operation, for assurance that a circuit or circuits protected by the apparatus will remain either energized or deenergized.
In a more specific aspect, the invention provides novel lockable individual single-pole or multi-pole fuse holders, for enabling the fuse carrier or a dummy substitute for a fuse carrier to be secured in the fuse holder's receptacle by a locking device.
The invention is applicable to usual fuse holders and it is applicable with particular effectiveness to fuse holders of the form in U.
S.
Pat.
No.
4,966,561, issued Oct.
16, 1990.
Novel electrical apparatus is provided having a padlock and a clip that receives the hasp of the padlock and locates the hasp as the obstruction that directly blocks an operating member of the electrical apparatus.
The invention is distinctively applicable and effective as applied to a fuse holders.
The entire locking device consists of a padlock and a clip which is interengaged with the locked apparatus.
The clip cannot be removed from the apparatus while that apparatus is locked or in position to be locked.
In the form of locking device consisting of a padlock and a locking clip, the clip may be retentively secured to the apparatus.
In a distinctive form, both the padlock and the clip as well are removable from the electrical apparatus.
The invention will be better appreciated in the light of the following detailed description of an illustrative embodiment of the invention, and a modification, which are shown in the accompanying drawings.
The illustrative embodiment represents an exemplary form of various aspects of the invention.