I have been told that 3-inch drain from a toilet achieves a better "swirling" action than larger 4-inch pipe, therefore helping to carry away solid wastes better. Is this true ? And if so, how far should I run before opening up to the main 4-inch waste line that exists my concrete slab ? :confused:

Hi I have a question for any electricians. I am a cable technician and do installations for Cable,Internet,& Voice in homes. What I have encountered a lot is electrical back-feed coming through the copper coax lines feeding from vcr's and tv's in the house which are plugged into electrical outlets....

I have new new modular cape that had the first floor plumbing complete, and the second floor stubbed, and want to know the right way to connect the second floor waste drain which was installed in the house, to the main waste drain. The main waste drain comes up verically from the basement floor...

We are in the process of expanding and remodeling a bathroom. The toilet has moved and the connection to the existing draine pipe extends several feet bends 90 degrees then another several feet a second 90 degree bend then a few more feet to the existing drain pipe in the wall. We also have a...