We recently had to replace the blower motor, fan, and capacitor in our furnace. The furnace is blowing air but not sufficient to actually heat the house. Any suggestions on what this new problem maybe?

We are having trouble with our copper pipes getting pinholes in them and leaking. There is a ground rod by the meter and also a ground connected to the cold water at the tank. I just found out that some counties do not ground to the cold water anymore because of that might be the reason the pipes...

Thank you for your answer. This is a rental house. I want to accomplish changing 2 prong (ungrounded) to 3 prong w/grnd to the exterior wall outlets without having to run new wireing on all outlets through attic. I would leave 2 prong outlets on interior walls as is. Bathrooms & kitchen outlets are...

With house on slab, can exterior wall outlets be grounded to water pipes &/or ground wire attached to say a rebar pounded into grnd, after drilling through exterior wall, or is it required to ground through going into attic & then to meter box?

Will it meet code to ground ungrounded outlets by individual grounds, such as a wire to a gas or water pipe, instead of through circuit box?