Run a ground wire from it common ground rod where the electricity enters your.
Grounding box in attic.
Also use metal boxes with interior exposed applications.
You should therefore strongly consider grounding your attic mounted antenna by attaching a grounding block to the coaxial cable to shunt off excessive leaked current.
Mount the box in such a way that all the cables entering and.
In some installations using metal conduit the raceway the conduit boxes and connectors serve as the ground for the circuit.
So from junction box directly to outlet.
In this way the metal raceway acts in place of the grounding wire that is found in nm cable this is also the main reason why only metal boxes may be used with metal conduit.
Grounding a 3 wire sub panel in attic.
Here are some photos of my roof top antenna with a grounding wire in the attic.
Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding.
There are very specific requirements for grounding an antenna both via mast ground and a shield ground.
Neither apply to an antenna in the attic.
200 amp main service panel on first floor.
Neutral and ground bonded at main service panel.
Note that you do not have to run the ground wire from the antenna you can.
But first check the electrical plugs of the various devices attached to the tv line.
Run a ground block and grounding wire to the main ground.
Ground the boom to the coax using a grounding block and at the other end.
Check to ensure that the vent tube is firmly grounded before connecting the wire.
Ctorx aug 23 18 at 23 12.
Grounding with conduit.
It doesn t support what you want to do.
3 wire l l n feeder to 100 amp sub panel in the second floor attic about 25 30 feet from the main service panel.
The copper wire at the base of the antenna mast attaches to the copper vent tube that runs to the roof through the attic in a 55 year old house.
Ground wire would run down the wall and be connected directly to the ground screw of a new 3 prong outlet that will replace the old 2 prong.
From the junction box the existing ground goes back to the panel.
From your description it sounds as if you may create a ground loop which may cause problems throughout the house.
I found that a firm grounding of.