Bonding Jumper Wire Water Heater

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.

Bonding jumper wire water heater.

The jumper protects the technician from becoming energized by improper current on the system ground by forcing the current to go through it. Adjustable wire holder is designed to be installed below the overhead service entrance cap as a holding device for incoming service entrance wires. This process is thought to prevent electrolysis and corrosion which can extend the service life of the water heater and prevent leaking. What section of the nec addresses how to determine the size of the bonding jumper required for a water heater.

It is made of. Slow down corrosion of the water heater. This bonding is essential to maintain continuous ground path. Benefits of a bonding wire.

The parts cost only about 10 and can be installed in just minutes. The reason the hot and cold lines are jumped bonded at the hot water tank is to protect mr. A local inspector is saying that the jumper must be sized to match the size of the building service which in our case would require a 3 0 jumper. Kit includes two brass ground clamps and copper conductor.

Water heater or meter bonding kit. The southwire water heater grounding kit is designed for residential water heater use but can be used across any continuity break in residential plumbing. Another function of the bonding wire is to maintain the electrical grounding pathway on the water pipes. Service entrance se cable sill plates.

This bonding jumper is sized using the same section and table used for the grounding electrode conductor for the service. Some experts believe a bonding jumper helps water heaters last longer by reducing corrosion in the tank caused by electrolysis. This seems to be overkill. Most electricians automatically bond the cold water line but do not ensure that the cold and the hot water lines are metallically interconnected through mixing valves in the plumbing fixtures.

If there is no direct metal to metal connection between the hot and cold water pipes the bonding jumper from the cold to the hot water line must still be installed but the bonding jumper would be sized in accordance with section 250 122. When in use the bonding wire can serve two purposes. Service entrance se adjustable wire holder. If no jumper wire is installed a surge in electricity could cause damage to the water meter in some cases.

The bonding wire is a unique part in that some plumbers recommend them and some do not. The bonding wire can redirect a small electrical current that passes through the copper piping to the steel fittings of the water heater. The bonding jumper may be required to ensure a reliable bond in a metal water piping system.