Find Ferraz Shawmut R642 - 1 Each at ElectricianSupplies.com. Call our friendly customer service representatives at 800-448-2014 if you have any questions. Expect your Ferraz Shawmut R642 - 1 Each to leave our warehouse within #time#. Its easy to track your shipment by clicking on MY ACCOUNT at the top of this page. ElectricianSupplies.com is proud to represent Bussmann. We never sell unproven off-brand products. We appreciate the opportunity to serve you! Join our 80,000 satisfied commercial and residential customers.