Heat Trace Cable is used in residential, commercial and light industrial applications designed to provide freeze protection for piping and roof / gutter applications. Whether the application is a small project or a complex network, designing an electric heat trace system is easy with heat trace cable. INCLUDES: NEMA 7 Junction Box, (3) TBX-3L Power Connection boots.; 3M is a trademark of 3M; Used under license in Canada. TTS is a trademark of Thermon Manufacturing Inc; Used with permission in Canada.