Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 22: Particular requirements for connecting boxes and enclosures— 27 стр.
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 23: Particular requirements for floor boxes and enclosures— 19 стр.
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 24: Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment— 66 стр.
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations, Particular requirements for connecting boxes and enclosures— 20 стр.
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations, Particular requirements for floor boxes and enclosures— 16 стр.