- 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.
More definitions of jack chainDefinition of jack chain in:
- The US English dictionary