TE Connectivity Make First Break Last Power Triple Lock Connectors are designed to allow the ground to be established prior to the power connections being made, and the ground is maintained until after the power connections are broken. MFBL Power Triple Lock Connectors are robust and feature three positions, a new cap, plug, ground tab and receptacle while utilizing other components from the standard Power Triple Lock connector family. They provide the secure connection and easy assembly of the Power Triple Lock connector family.