Sub panels are grounded through the cable that provides the sub feed circuit power.
Water meter grounding jumper wire.
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.
Residential water heater use.
This bonding is essential to maintain continuous ground path.
1 in.
For 200 ampere.
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.
Installing a jumper wire on your home s main water pipe is easy and this.
Copper conductor 6 awg included.
The southwire water heater grounding kit is designed for residential water heater use but can be used across any continuity break in residential plumbing.
Product also includes copper conductor.
Missing jumper wire at water meter is a common electrical defect and safety hazard noted in many home inspections for older homes.
The bonding jumper is to be sized using table 250 66.
If no jumper wire is installed a surge in electricity could cause damage to the water meter in some cases.
The blackburn water heater grounding kit comes with two brass ground clamps.
Brass ground clamps included.
Kit includes two brass ground clamps and copper conductor.
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 ground wire is bonded at the main panel to the ground system.
10 sol str 2str.
Product can be used with residential water heaters.
Still there are electricians and local building codes that vigorously defend the water heater bonding wire as a proper safety measure.
Grounding a sub panel.
This sub feed cable will have 2 insulated power conductors 1 insulated neutral conductor and one ground wire.
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.