Distance from the electrical panel nec article 250 does not specify a minimum or maximum distance between the main electrical panel and the ground rod.
Grounding electrical panel.
Two problems make the safety of these approaches questionable.
The connection is often unreliable.
Which scenario is recommended.
Grounding a main panel the ground bar is bonded internally when an external bond to earth is installed as described at the link for electrical grounding below.
Because the panel must be connected to the.
Grounding and bonding happen simultaneously during the installation of an electrical system and branch circuits.
They work hand in hand in order to make it safe.
When this happens you must bring an appropriately sized equipment grounding conductor over with the circuit to the subpanel you must not have a neutral to ground bond in the panel and the grounding electrodes are optional although highly recommended.
By shunting excess line voltage back to the panel s neutral pole the ground current forces the circuit breaker to trip.
The grounding wire that runs from your electrical panel to grounding electrode helps even out voltage increases that often occur because of lightning and other causes.
This is a brief walk through of a simple grounding and bonding system and what happens with the flow of current in normal operation and in a ground fault c.
The tripped breaker shuts off the circuit s current preventing a potentially dangerous situation.
The grounding pathway is generally formed by a system of bare copper wires that connect to every device and every metal electrical box in your home.
The wires that bond your metal piping are preventative and they only become important in the unlikely event that an electrical conductor energizes the pipe.
Your service panel s ground wire prevents a line fault from becoming a shocking experience.