The Mueller BU-90-4 Insulator is made from protective flexible yellow PVC and is intended for use with the BU-27 series clips. The BU904 keeps the general purpose or geophone clip protected and can accommodate larger wire than the BU-29 series insulators. Length: 3.6". Large ID: 0.6". Wire end ID: 0.31". Operating Temperature: -20 F to 160 F (-30 C to 71 C). Dielectric Strength: 5 KV. RoHS compliant. Sold Individually.
Mueller BU-90 Datasheet