Self-contained Receptacles — Self-contained receptacles include an enclosure and mounting means intended for flush mounting without the use of a separate flush device or other outlet box. They are intended for use with Types NM and NMC cable in accordance with the NEC, specifically Sections 300.15(E), 334.40(C), 545.10, 550.15(I), 551.47(E) Exception No. 1 and 552.48(E) Exception No. 1 and are so identified by specific marking on the carton in which they are packed. Devices employing insulation displacement terminals are intended for assembly with specific installation tools only. Reference must be made to the installation instructions regarding the proper tool and the number of cables (per entry) with which the devices are intended to be used.