These requirements cover interconnects consisting of mating insulating enclosures which are assembled to nonmetallic sheathed cable and form both a mechanical and electrical connection. This forms a contained product for component interconnections for use in exposed or concealed locations in accordance with the National Electrical Code (NEC)@ ANSI/NFPA-70@ Article 545@ Manufactured Buildings; Article 550@ Mobile Homes; Article 551@ Recreational Vehicles And Recreational Vehicle Parks@ and for tap devices in accordance with Article 336@ Nonmetallic-Sheathed Cable: Types NM@ NMC@ and NMS. The enclosures of these interconnects are complete without openings and are intended for use without an outlet box or enclosure. These requirements cover interconnects intended for use at 600 volts ac or less on 15 and 20 ampere branch circuits wired with Nos. 14 and 12 AWG (2.1 and 3.3 mm2 ) copper conductors@ respectively. A product that contains features@ characteristics@ components@ materials@ or systems new or different from those covered by the requirements in this Outline of Investigation@ and that involves a risk of fire or of electric shock or injury to persons@ shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this Outline of Investigation. A product whose features@ characteristics@ components@ materials@ or systems conflict with specific requirements or provisions of this Outline of Investigation does not comply with this Outline of Investigation. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development@ revision@ and implementation of this Outline of Investigation.