Water Meter Ground Jumper

Buried metal water pipe makes a good ground for the electrical system and is commonly used for grounding the homes electrical system.

Water meter ground jumper.

One of the most common electrical defects that i find while doing truth in sale of housing evalutions in minneapolis is a missing jumper wire at the water meter. This bonding is essential to maintain continuous ground path. As you can see by the corrosion it will reduce the effectiveness of the correct ground wire. If no jumper wire is installed a surge in electricity could cause damage to the water meter in some cases.

Is there a straight forward rule for sizing the bonding jumper at a water meter all i can find is per table 250 66. 10 sol str 2str. Grounding system jumper wire around the water meter. This is a required repair item and i often find the repair done improperly so i m writing this post to help anyone that has to fix this item.

1 in. Installing a jumper wire on your home s main water pipe is easy and this. A jumper ground wire at the water meter is am important safety device that should be installed on most homes that have a buried copper or galvanized water supply line that brings water into the house. 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. That is why i was wondering if there was copper on the load side of the meter and the op wanted to know if he had to jump across the meter. The water heater creates a break between the cold water pipes and the hot water pipes in the home. As the same sketch shows at b if the building water main piping is being used as a source to provide a ground for the electrical system then the main ground wire between the electrical panel and the water piping should be clamped on both sides of the water meter.

Which i cannot seem to find online. By bonding the hot water pipe to the cold water pipe at the water heater it is thought that this helps to ensure that the entire plumbing system will be electrically grounded. The water meter is an invensys water meter that sits on top of ford meter box co.