Grounding Wire Diagram
Three prong plugs have a hot wire a neutral wire and a ground wire.
Grounding wire diagram. Metal frame of the building or structure where the following methods are used to make an earth connection. Grounding is necessary to prevent fi res starting from a surface arc within the home. Explaining how to ground a 200 amp meter center according to the national electric code. Wiring diagrams and grounding read this first.
Grounding is a principle of electricity that sometimes puzzles homeowners. Because 250 26 of the code requires the neutral conductor of a single phase 3 wire. Run the bonding wire from a point near your water heater a convenient spot if you have a gas fueled water heater to an exit point where the wire can be bonded to the grounding wire that leads to the exterior grounding electrodes. National electrical codes nec 250 5 grounding and bonding grounding and bonding electrodes include a metal underground water pipe in direct contact with earth for 10 feet or more a metal frame of a building or structure a concrete encased electrode or a ground ring nec 250 28 grounding and bonding grounding and bonding a main bonding jumper or the green bonding screw provided by the panel.
Or more of metal water pipe is in contact with the earth. The bonding wire is shown connecting the lid of the receiving container to the dispensing container. This is frequently done at the service panel. Remember that water is an effective conductor of electricity.
The common ground is in turn connected to an earth ground. If there is an electrical problem with the pool equipment a fault could occur and charge the entire pool or spa making it fatally hazardous. Grounding is of the utmost importance and every outlet and all the cables must have the grounding or earthing system present and connected properly both to the outlet box and to the devices as required. When replacing a three prong plug connect the black wire in the cord to the brass terminal screw the white wire to the chrome terminal and the green or bare wire which is the ground wire to the green ground screw in the plug.
Check grounding wire connections loose wires and conduits and water leaks. Grounding electrode system and grounding electrode conductor part iii znec 250 50 grounding electrode system 250 52 electrodes water pipe if 10 ft. The diagram below is an example of a complete bonding and grounding system.