Grounding Box In Attic
Here are some photos of my roof top antenna with a grounding wire in the attic.
Grounding box in attic. Ground the boom to the coax using a grounding block and at the other end. 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. Ctorx aug 23 18 at 23 12. Grounding with conduit.
Run a ground block and grounding wire to the main ground. It doesn t support what you want to do. From your description it sounds as if you may create a ground loop which may cause problems throughout the house. Run a ground wire from it common ground rod where the electricity enters your.
Check to ensure that the vent tube is firmly grounded before connecting the wire. 200 amp main service panel on first floor. 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. Also use metal boxes with interior exposed applications.
Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding. Use a metal electrical box when metal sheathed cable also called armored bx cable or metal conduit is running in or out of the box. Note that you do not have to run the ground wire from the antenna you can. In some installations using metal conduit the raceway the conduit boxes and connectors serve as the ground for the circuit.
Stick to the building code. Neither apply to an antenna in the attic. 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. I found that a firm grounding of.
Grounding a 3 wire sub panel in attic. Mount the box in such a way that all the cables entering and. From the junction box the existing ground goes back to the panel. Mount the j box to the side of a framing member such as a wall stud ceiling rafter or floor beam using two 8 by 1 inch wood screws.
Neutral and ground bonded at main service panel. But first check the electrical plugs of the various devices attached to the tv line. There are very specific requirements for grounding an antenna both via mast ground and a shield ground.