Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 23. Particular requirements for floor boxes and enclosures
Rectangular steel all-cast moulding boxes having inside dimensions: length 1200; 1400 mm, width 900; 1000 mm, height from 200 to 400 mm. Construction and dimensions
System of product-quality indices. Functional sets, instruments, devices, units, modules of control and regulation modular means. Nomenclature of indices
