The 4TJB junction case is designed to house high voltage connections in Atex areas. It can connect power or multi-purpose cables up to 45 kV. The 4TJB can accept up to three single-phase connections (one driver per phase) in a lower input configuration or through a box. This sturdy SX stainless steel junction box has a proven track play in the field as it has been tested in deluge DTS-01 and been rated at 40 kA for a second.