The MWS Starter Fixture Cable (SF) starts the MWS system immediately at the electrical junction box or at the switch box and continues to the first lighting fixture. Subsequent fixtures connected to the Starter Fixture Cable are wired with standard Fixture Cables(FC). The line side connector installs into any 1/2" knockout and has #18 tap leads to connect to the fixture wiring. All unused outlets require a MWS dust cover.