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Electrical tubing may not comply with safety standards
The Underwriters Laboratories (UL) is warning that electrical metallic tubing (EMT) elbows and bends manufactured by Patton International Ltd. may be prone to corrosion.
This includes EMT, both 90° and 45° elbows and bends, in the following trade sizes:
½, ¾, 1, 1¼, 1½, and 2 inches.
The UL provides a full description on its website. Read more about this warning here.