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View Full Version : four rg-6 run... how to ground??

gvsurn
03-08-04, 07:11 PM
i have a DP QUAD LNB, do i need to ground all of the runs or just one???
junki
03-08-04, 07:54 PM
i have a DP QUAD LNB, do i need to ground all of the runs or just one???
ALL
ClearCom
03-08-04, 07:54 PM
i have a DP QUAD LNB, do i need to ground all of the runs or just one???

Any wire that runs into the house must be grounded according to NEC. This would require you to use two dual ground blocks, one having two ground clamnps to be able to tie the two together. Then the gound block must be connected to an adequete ground point. The best is an 8 foot rod driven into the gound. The next best is a house ground provided from the electircal panel.
tkrandall
03-09-04, 10:41 AM
Wait. EVERY wire must be grounded?

I have a DTV triple LNB dish with the integrated multiswitch. 3 wires presently going to the dish. The installer used on one of the wires the RG6 that has the attached ground wire. As they all connect at a common point (the dish), are they not thus all grounded by the one wire? I would think running multiple grounds could create other loop problems.
stonecold
03-09-04, 11:08 AM
tkrandall the switch is grounded and they often just ground the siwtch in that cases but in the case a of dp quad where there is no switch you need to ground all of them.
Mike500
03-09-04, 08:00 PM
Use the dual grounding blocks and at least #8 solid copper wire, available at Home Depot by the foot (It's used by swimming pool installers.), run it continuously through each ground wire hole and to the main house grounding wire or meter box/
gvsurn
03-09-04, 09:28 PM
when you say ground it to the electrical box do you mean to the box itself??? or to the ground wire from the box??
Mike500
03-09-04, 09:55 PM
On newer homes, a #4 or #6 ground wire goes from the meter box to a ground rod. Fasten the new wire to this wire with a "split bolt." If there is no ground wire, and there is a metal conduit mast or riser to the meter, use a grounding strap. They also make a meter box flange clamp, but only professionals usually have these.
gvsurn
03-09-04, 11:13 PM
thanx mike you are the man!!!!! :D :D :D :D
Mike500
03-10-04, 05:48 PM
Just glad that I could help.

Mike