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Where are neutral and ground wires usually bonded together?
Neutral and ground wires are usually bonded together at the main service panel of a building, but should never be bonded together at any subpanel or other point downstream. This connection is made to provide a safe path for stray electrical current in case of a fault, and to ensure proper grounding and equipment safety.
Where is the only place the neutral and ground wires can be on the same buss bar?
The main electric panel is where neutral is bonded to ground. There is usually a screw or strap that connects the two so the same type panel could be used as a subpanel and have the neutral and ground unbonded in subpanel.
Is the neutral bus bonded to the equipment ground in a subpanel?
Definitely not. The neutral wires must be put on the neutral buss and that is the only place that they are to be terminated in a distribution panel. In a distribution panel there is no ground buss, it is just the metal enclosure that is used. The ground wire is only used to return a system fault back to the distribution panel to trip that circuits breaker.Distribution panels typically have two "busses"-- one for ground and one for neutral. These are terminal strips where the ground and neutral wires are connected. In some panels, these busses are electrically connected or "bonded." In other panels they are isolated. Most panels come with an optional "bonding screw" that can be installed or removed depending on whether the busses need to be connected. NEC is very specific on when these busses are to be connected. Ground and neutral busses should only be bonded at the main panel where the service enters the building. Other distribution panels will have separate ground and neutral busses and they should be isolated electrically--connecting these is a commonly seen mistake.I believe the question refers to the case where the two busses are properly bonded together, so are electrically equivalent. Then is it acceptable to have some ground wires on the neutral bus and vice-versa. Electrically it will work, but code or electrical inspectors may deem it to be confusing or sloppy practice and reject the installation.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
Why do some electric panel have ground and neutral bonded together?
Some electric panels have the ground and neutral bonded together for safety reasons. This bonding can help prevent dangerous voltage levels and reduce the risk of electrical shocks in case of a fault. However, it is important to check local electrical codes and guidelines before making any modifications to ensure compliance and safety.
When wiring a 120V outlet from a 240V 3 wire service can you just connect the neutral white to the middle wire of the 240 and grab a ground from another source?
No, you should not connect the neutral wire of the 120V outlet to the middle wire of the 240V service. The neutral wire should be connected to the neutral bus bar of the electrical panel. Additionally, the ground wire should be connected to the grounding bus bar of the panel, and it should not be "grabbed" from another source. Proper grounding is essential for safety and to prevent electrical hazards.
