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Lighting Fixtures, Switch Panels and Meters Antique lighting fixtures, bulbs, switches, meters and controls.

Lighting Fixtures, Switch Panels and Meters

Splicing Aluminum Service Cable


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Old 06-16-2018, 04:15:28 PM
Railroads Railroads is offline
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Default Splicing Aluminum Service Cable

Just three layers of insulation for aluminum wire? https://www.youtube.com/watch?v=YpQ_nZhnFIo

Seems like connectors used for the HV cable would be required because of Aluminum wire tendency to oxidize and fail?

Robert
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Old 06-16-2018, 06:33:03 PM
Vanman Vanman is online now
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Default Re: Splicing Aluminum Service Cable

Several years ago when we were remodeling our house into a care home my old time electrician buddy wis-wired a half hot such that the switch was across the line.

When we threw the switch, there was a small pop and of course the circuit went dead. After a bit of troubleshooting we discovered that we lost one line to the building.

SCE was very good at coming right out and replacing the underground feeders from the street. It appears that there had been a tiny nick in the insulation when they were installed, and 45 years of corrosion with 120 volts to ground finally ate through enough of the cross section of aluminum that a fault was enough to blow out the rest.
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