From the Manufacturer
Arlington 4400-50 Snap-In Bushings Time Saving, 50-pack, 1/2-Inch. These snap-in bushings are economical and easy to use. Designed for knockouts of trade size 1/2-Inch. Arlington fittings are carefully inspected and our manufacturing process is designed to prevent the possibility of a defective product leaving our plant. In the event any of our products are found to be defective, we will replace them with new product free of charge. The time limit for this warranty is one year following the date of sale or one year after the date of installation, whichever is the earlier date. This warranty does not apply when the product is used for any purpose other than the intended use as described in the Arlington literature. This warranty does not apply when the product is used for any installation which would violate the national electrical code or any code which takes precedence in a particular jurisdiction. Labor is not included.