Cabling
Grounding and Bonding
The code-required practice of connecting equipment, racks, cable shields, and telecom backbones to a common electrical reference so fault current has a safe path.
In low-voltage work, grounding is both a safety requirement and a performance requirement. Telecom bonding backbone, rack ground bars, and shield continuity are what keep noise out of Dante and HDBaseT runs, and what keeps a surge from finding equipment as its path to earth.
It is also the item most often skipped when a job is rushed, because nothing appears wrong at handover. Bonding gets inspected and photographed at closeout on our jobs precisely because its absence only shows up during the first storm.
Related terms
- Ground Loop
- A hum or buzz caused by two pieces of connected equipment sitting at slightly different ground potentials, creating current flow through the signal path.
- Surge Protection
- Devices that clamp voltage transients from lightning, utility switching, and large motor loads before they reach connected equipment.
- IDF / MDF
- The hierarchy of network rooms in a building: the MDF is the main room where service enters and the core lives; IDFs are floor or zone closets that aggregate nearby horizontal runs back to it.
More Cabling terms
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