PLC Multipoint RT-16-3R-U Tandem Main Panel with (16) 1-Pole (20A) Low Voltage Relays, 8 Dimming Outputs, 120/277VAC, NEMA 3R Hinged-Door EnclosurePLC Multipoint RT 16 3R U RT 16 3R U Product Description PLC Multipoint has been making a name for itself as a creator and producer of the industry's finest lighting sensor controls and has earned a reputation as the go to resource for solving the most complex lighting control challenges. PLC Multipoints product families include lighting control systems and daylighting sensors for a wide variety of applications. The Tandem lighting control system