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What is this and why might an electrician need it? Expansion fittings are critical for electrical conduit work in a temperate climate. Wide temperature fluctuations cause PVC to expand and contract to the degree of 1” per 10’. To keep joints from disconnecting or breaking completely, expansion fittings use telescoping lengths of PVC and an O-ring to allow conduit movement without breakage.
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Electric Pro Academy is a multimedia team dedicated to training and instructing DIYers and professional electricians for the growth and dignity of the craft nationwide.
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Jefferson Electric installs and services residential, commercial, solar, and Tesla systems in Indianapolis, IN.
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