DeWalt The DRS18100 1" Insulated Cable Staples are designed for use in the DEWALT® DCN701 Cordless Cable Stapler. They are UL ® Listed Insulated Staples: E505493 for common Romex® (NM Sheathed Cable), and MC (Metal Clad) cable applications*. The staple crown is plastic insulated and these fasteners adhere to the National Electrical Code®. These staples can also be driven manually using a hammer for tight space applications. *See UL® approved cable combinations chart for specific cable approvals.