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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.

Want to be in a YouTube Short? Send us your electrical questions in 10 seconds or less and we’ll splice in a master electrician’s less than 50 second answer (as best as we can). If this short is unclear or skew to what you are looking for, feel free to comment below for additional assistance. Got a question or ideas for a future video? Leave a comment below and submit your idea here: [ Ссылка ]

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Jefferson Electric installs and services residential, commercial, solar, and Tesla systems in Indianapolis, IN.
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