An electrical connection between two electrically conductive objects that is intended to significantly reduce potential differences.

Source: API RP 545 Recommended Practice for Lightning Protection of Aboveground Storage Tanks for Flammable or Combustible Liquids, First Edition, October 2009. Global Standards


Connection of non-current-carrying parts to ensure continuity of electrical connection, or to equalize the potential between parts.

Source: IEC 61892-6, Mobile and fixed offshore units – Electrical installations – Part 6: Installation. Global Standards

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