Use Bridgeport’s 813-I 3-1/2" Insulated 90-Degree Connector to join flexible metal conduit to an electrical box or enclosure at a 90-degree angle. Made from malleable iron, this angled connector is intended for heavy-duty applications and offers superior corrosion and impact abrasion resistance when used in harsh environments. The insulated throat protects inner wiring from abrasion and up to a temperature of 105°C. For use with flex trade size 3-1/2" flexible metal conduit when installing through a 3-1/2" knockout.