<------ 3 years as an internet service tech for a cable provider in north Houston.
My cable guy said NOT to run the coaxial cable through my surge protector. He said it'll mess up on-demand channels and cause pixelation with the higher numbered digital channels and some other stuff.
Is he an idiot or shouldn't I run the cable through the surge protector?
The cable guy was right, running your coaxial through a surge protector can cause problems with the signal.
The cable, power and telephone should be grounded outside where the power goes into the house.
If you want to protect your home, make sure your house is bonded (grounded) properly. contact someone that knows the local building code, talk to them, and then check the outside of your home to make sure its grounded.
Personally, I like the power having its own ground rod separate from the telephone and cable.
A lot of ground rods these days are galvanized copper clad rod. To get a good connection, you have to rub the galvanized off until you hit copper, and then put the ground clamp on. Use a copper acorn clamp instead of a pewter clamp.
On your cable - a splitter is not a ground block.
I drove my own copper ground rod for the cable, and then ran a copper wire from the cable ground block to the new ground rod.
Once the surge gets into the house, its pretty much too late. Have surge protectors on the power outlets.
When a surge gets into the cable, its looking for a ground. The surge goes through your TV or cable modem, and into the wiring of the house looking for a ground.
If the surge is looking for a ground, give it a ground - outside where its supposed to be.