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Over extended? Adding on to older wiring systems
Branch Circuit Extension on Older Ungrounded Wiring Systems
The Wenatchee Home Inspector

 
 
 
This is one of of those dilemmas when purchasing an older home, dealing with an older electrical system. Homes pre -1960's (1962 to be more exact) typically will have no grounding conductor for the wiring system, or if they do such as later 1950's wiring, they often cut the ground off because they did not know what to do with it.

The issue was these older systems where designed for their era. We did not have all the electronics and needs from an electrical system we have today. So quite often people get into their new home and need to make some upgrades to the system to handle their modern needs.
(What is a Sufficient Number of Receptacles? A historical review).

As the example in the photo often people start tinkering with the system and get themselves into an area they just do not have a complete enough knowledge of the codes and how the electrical system works.
So happy Mr. and Mrs. New Home Owner want to take on a new project and updating and adding some new receptacles in the home. Heck they have them old dingy 2 prong outlets that ... more

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