Definition of jack chain in English:

jack chain

Line breaks: jack chain

noun

A chain of links each consisting of a double loop of wire resembling a figure of eight, but with the loops in planes at right angles to each other.
More example sentences
  • Allform Products manufactures chain products like double jack chains, single jack chains, id loop chains, ball chains, curb chains, chandelier chains.
  • Jack chains are used for hanging light fixtures.

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