Bonding Jumper Wire Water Heater

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.

Bonding jumper wire water heater.

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. If no jumper wire is installed a surge in electricity could cause damage to the water meter in some cases. This process is thought to prevent electrolysis and corrosion which can extend the service life of the water heater and prevent leaking.

Another function of the bonding wire is to maintain the electrical grounding pathway on the water pipes. Some experts believe a bonding jumper helps water heaters last longer by reducing corrosion in the tank caused by electrolysis. Adjustable wire holder is designed to be installed below the overhead service entrance cap as a holding device for incoming service entrance wires. Service entrance se adjustable wire holder.

What section of the nec addresses how to determine the size of the bonding jumper required for a water heater. The bonding wire is usually a heavy copper wire fastened with brass clamps at one end to the cold water pipe and at the other end to the hot water pipe. This seems to be overkill. The parts cost only about 10 and can be installed in just minutes.

Plumber during future repair work. Slow down corrosion of the water heater. This bonding is essential to maintain continuous ground path. 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 bonding jumper may be required to ensure a reliable bond in a metal water piping system. 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 protects the technician from becoming energized by improper current on the system ground by forcing the current to go through it. Also a jumper should be on the pressure reducer valve for the same reason.

Service entrance se cable sill plates. Water heater or meter bonding kit. 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. 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.

Benefits of a bonding wire. Kit includes two brass ground clamps and copper conductor. This bonding jumper is sized using the same section and table used for the grounding electrode conductor for the service.