Switching and Fusing (Hubbell Power Systems) - Instant Video
These videos show how to install switches that isolate sections of overhead distribution circuits. Courtesy Hubbell Power Systems.
Programmable Resettable Sectionalizer - 9 minutes
Describes a device that installed in a cutout assembly instead of a conventional fuse. This device can be programmed (a laptop is usually used) to set the trip current, and the number of counts before lock out.
Electronic Sectionalizer Installation - 10 minutes
Describes a device that is installed in a cutout assembly instead of a conventional fuse. This device distinguishes between transient faults and permanent faults, to eliminate nuisance outages. It operates in conjunction with a standard sectionalizer.
Unitized Switch Installation - 25 minutes
How to install a gang-operated three-phase air-disconnect switch.
Switch Installation with Reciprocating Operating Handle - 7 minutes
How to install a gang-operated three-phase disconnect switch, operated manually.
Cutting in a Disconnect Switch Rubber Glove Method - 31 minutes
How to install a three-phase disconnect switch on a pole. The linemen use rubber gloves for protection. This video was filmed several years ago, but is still informative.