Water Meter Grounding Jumper Wire

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.

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. Residential water heater use. Installing a jumper wire on your home s main water pipe is easy and this. Product also includes copper conductor.

Still there are electricians and local building codes that vigorously defend the water heater bonding wire as a proper safety measure. 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. 10 sol str 2str. This is from a different table of sizes for grounding electrode conductors as opposed to ground wires from main panel to subpanel grounding conductors.

The blackburn water heater grounding kit comes with two brass ground clamps. Grounding a sub panel. 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. Kit includes two brass ground clamps and copper conductor.

If no jumper wire is installed a surge in electricity could cause damage to the water meter in some cases. This bonding is essential to maintain continuous ground path. Missing jumper wire at water meter is a common electrical defect and safety hazard noted in many home inspections for older homes. Brass ground clamps included.

In the video i talk about why water pipes need to be grounded. Sub panels are grounded through the cable that provides the sub feed circuit power. For 200 ampere. This sub feed cable will have 2 insulated power conductors 1 insulated neutral conductor and one ground wire.

The bonding jumper is to be sized using table 250 66. Copper conductor 6 awg included. 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. The southwire water heater grounding kit is designed for residential water heater use but can be used across any continuity break in residential plumbing.