Poke-Thru Controlled Receptacle Nonmetallic Slide Holder Assembly with Controlled Receptacle Markings. Markings are located in a recess pad and are permanent indicating both of the duplex receptacles below have been wired up to comply with 2014 NEC(r), CA Title 24 and ASHRAE Energy Efficiency Standard 90.1. Both circuit duplex receptacles are controlled. Slide holder to be used with the RC4ATC & RC4CTC units. Finish - Black