ETC SC1008 Emergency Lighting Transfer Switch NEMA 1The ETC SC1008 Branch Circuit Emergency Lighting Transfer Switch is built for emergency lighting applications that require UL1008 transfer of a single branch circuit. It automatically transfers a 20 A lighting load from the normal source to the emergency source when normal power is lost, then returns the load when utility power is restored. This makes it a practical fit for code driven projects in assembly spaces, theatres, motion picture rooms, and