Cable Holders, Mounting Tabs, & Plastic Caps Würth Elektronik Cable Holders, Mounting Tabs, and Plastic Caps include many series and are ideal for numerous applications. WE Cable Holders include the WA-FCHS, WA-CTIB, WA-CHFCHAD, WA-CHCL, WE-CHSN, WA-CHAD, WA-CHTW, and WA-SMCH series. These Würth cable holders offer a Nylon 66 construction, a UL 94 V-2 flammability rating, and a -30°C to +85°C operating temperature range.