Originally Posted By: dandersen This post was automatically imported from our archived forum.
Quote:
For newer three-pronged outlets
connected to knob-and-tube wiring, the
This diagram depicts the method used to correct an improper splice
(connection with no connector or box) between knob-and-tube and
modern wiring.
absence of grounding can be improved
by replacing the outlet with a GFCI-type
outlet. In the event of a ground fault,
the GFCI trips, breaking the circuit and
protecting the equipment and the user.
(see diagram 2)
Diagram#2 shows a ground, but the caption says a ground is not required for operation. ![icon_question.gif](upload://t2zemjDOQRADd4xSC3xOot86t0m.gif) ![icon_question.gif](upload://t2zemjDOQRADd4xSC3xOot86t0m.gif) ![icon_question.gif](upload://t2zemjDOQRADd4xSC3xOot86t0m.gif)
Why don't GFCI's trip when there is an open ground on the circuit?
Originally Posted By: rcooke This post was automatically imported from our archived forum.
Back in the 1930 we had a few lights maybe a radio and that was about all.
Knob and tube was almost adequate for what we had then .
In todays world Knob and tube is far short of doing what is required .
Here in Canada insurance when you can get it charge a premium price for insurance.
We must understand Like it or not we must do as the insurance industry demands .
I always recommend upgrade to a modern electrical system immediately .
The cost for removal in a two story home can be large and a person should get an upgrade cost as this frequently exceeds the budget of purchasing a home.
The article Joe gave us is 3 years old and insurance up here with K&T is getting harder to get .
C&D clients used to be able to K&T insurance at no premium . I do believe that is no longer available . .
Our Company is a C&Ds report user