Bonding
In order to assure a continuous, reliable electrical path to ground, a bonding jumper wire is used to make sure electrical parts are connected.
Some physical connections, like metal conduit coming into a box, might not make a good electrical connection because of paint or possible corrosion. To make a good electrical connection, a bonding jumper needs to be installed.
Bonding Jumper
A bonding jumper is a conductor used to connect parts to be bonded.
Bonding Jumper
Bonding assures electrical continuity between electrical components. Any fault current will be conducted along the bonded metal to ground.
Interior metal plumbing must be bonded to the ground for electrical service equipment in order to keep all grounds at the same potential (0 volts). Even metal air ducts should be bonded to electrical service equipment.
Knowledge Check Choose the best answer for the question.
7-10. Which of the following methods assures electrical continuity between electrical components?
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