Water Meter Grounding Jumper Wire

For 200 amp service use a 4 gauge copper wire from the panel to the water pipe within 5 feet of where it enters the house and also between where it enters and the meter.

Water meter grounding jumper wire.

Sub panels are grounded through the cable that provides the sub feed circuit power. Product also includes copper conductor. According to national electrical code the water piping must be bonded to the service equipment enclosure the grounded conductor at the service service neutral the grounding electrode conductor where large enough or directly to one or more of the grounding electrodes. Copper conductor 6 awg included.

The reasoning is that the metal casing on the water heater itself is thought to be sufficient to complete the continuous grounding path between the cold water and hot water pipes in the home. This sub feed cable will have 2 insulated power conductors 1 insulated neutral conductor and one ground wire. If no jumper wire is installed a surge in electricity could cause damage to the water meter in some cases. 1 in.

The southwire water heater grounding kit is designed for residential water heater use but can be used across any continuity break in residential plumbing. The jumper wire is actually a grounding wire a short section of large gauge wire that jumps or goes across the water meter and is securely attached to the water pipe at each side. 10 sol str 2str. The ground wire is bonded at the main panel to the ground system.

Product can be used with residential water heaters. Grounding a sub panel. Kit includes two brass ground clamps and copper conductor. Installing a jumper wire on your home s main water pipe is easy and this.

If you use your home s main water pipe to ground the electrical system and many homes do you should attach a jumper wire around the water meter in order to provide a better path for the electricity ground path. This is from a different table of sizes for grounding electrode conductors as opposed to ground wires from main panel to subpanel grounding conductors. In the video i talk about why water pipes need to be grounded. This bonding is essential to maintain continuous ground path.

The bonding jumper is to be sized using table 250 66. The blackburn water heater grounding kit comes with two brass ground clamps. Still there are electricians and local building codes that vigorously defend the water heater bonding wire as a proper safety measure. Missing jumper wire at water meter is a common electrical defect and safety hazard noted in many home inspections for older homes.