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IEC 60670-22:2003 ed1.0

Действует
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 22: Particular requirements for connecting boxes and enclosures — 27 стр.
This part of IEC 60670 applies to boxes, enclosures and parts of enclosures (hereafter called "boxes" and "enclosures") for electrical accessories with a rated voltage not exceeding 1 000 V a.c. and 1 500 V d.c. intended for household or similar fixed electrical installations, either indoors or outdoors. This standard applies to connecting boxes for junction(s) and/or tapping(s).
ICS
29.120.10 Conduits for electrical purposes / Кабелепроводы