The E-100-L-A is a Type 4X-rated end seal kit with a light that indicates voltage at the end of the circuit. It is designed for use with Raychem BTVCR, BTV-CT, QTVR-CT, XTV-CT, KTV-CT, and VPL-CT industrial parallel heating cables. Once installed, the end seal is easily re-entered for maintenance and the heating cable can be accessed without removing the end seal. The LED indicator light provides excellent visibility.This kit may be installed at temperatures as low as –40°F (–40°C). For easier installation store above freezing until just before installation. Kit is rated for 100 to 277 V. Make sure voltage rating of light is the same as that of the heattracing circuit.