How do you ground PEX plumbing?

If your home has a PEX or plastic water supply line, you need to ground the system using grounding rods on the exterior of your home. Houses with PEX water lines must be grounded with metal rods. Choose a location on the exterior of the home to install the grounding rods.

Should water pipe be bonded?

Since Section 250.104(A) requires all water-piping systems to be bonded back to the service, and hot or cold water lines are not specifically mentioned, both hot and cold water lines must be bonded and connected back to the building service.

How do you bond water pipes?

Where hot and cold water pipes are electrically connected, you need only one bonding jumper — to either the cold- or hot-water pipe. Otherwise, use a single bonding jumper sized per 250.104(A)(1) to bond the hot- and cold-water piping together. Building or structure supplied by a feeder.

What is bonding a water heater?

The bonding wire can redirect a small electrical current that passes through the copper piping to the steel fittings of the water heater. This process is thought to prevent electrolysis and corrosion, which can extend the service life of the water heater and prevent leaking.

Does PEX have to be grounded?

Proper home grounding is required with PEX plumbing. To ensure occupant safety, prevent fire, and protect appliances and electronics, use an 8-foot grounding rod.

Does PEX need to be bonded?

It sounds like two separate issues, but first and foremost – plastic piping cannot be bonded. It is physically impossible to establish an equipotential bond between plastic piping and an electrical system or electrical-grounding system.

Can PEX pipe be connected to hot water heater?

PEX tubing may be connected directly to residential electric tank or tankless (instantaneous) water heaters, if the local code and manufacturer’s instructions allow. When connecting PEX tube to gas tank or tankless water heaters, the tube must be kept at least 6 inches away from the exhaust vent of the heater.

Do plastic water pipes need bonding?

If the pipes are made of plastic, they do not need to be main bonded. If the incoming pipes are made of plastic, but the pipes within the electrical installation are made of metal, the main bonding must be carried out.

Does hot water pipe need to be bonded?

1 It is not required by the National Electrical Code, but many plumbers will install a bonding wire even when it is not required. 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.

Do plastic pipes need earthing?

Plastic pipes make for a safer electrical installation and reduce the need for earthing. They know that the risk and severity of an electric shock is increased as a result of the presence of water. This may be the reason for the concern that water in plastic pipes may conduct electricity and that bonding is required.