380.1 Scope. This article covers the use and installation requirements for multioutlet assemblies.
380.2 Use.
(A) Permitted. The use of a multioutlet assembly shall be permitted in dry locations.
(B) Not Permitted. A multioutlet assembly shall not be installed as follows:
(1) Where concealed, except that it shall be permissible to surround the back and sides of a metal multioutlet assembly by the building finish or recess a nonmetallic multioutlet assembly in a baseboard
(2) Where subject to severe physical damage
(3) Where the voltage is 300 volts or more between conductors unless the assembly is of metal having a thickness of not less than 1.02 mm (0.040 in.)
(4) Where subject to corrosive vapors
(5) In hoistways
(6) In any hazardous (classified) location, except as permitted by other articles in this Code