Panduit HSEC Heat Shrink End Caps offer a voltage rating of 600V and two shrink ratios: 2.5:1 (HSEC) and 3:1 (HSECFR). These caps feature adhesive-lined inner wall seals and provide excellent protection against moisture in the surrounding environment. Flame-retardant options are available in the HSECFR series. Panduit HSEC Heat Shrink End Caps are suitable for insulating and protecting wires and cables.