BS 7924:1999

Действует

Code of practice for the repair and overhaul of certified electrical apparatus intended for use in mines susceptible to firedamp — 22 стр.

Ссылочные документы

Заменен

Electrical apparatus for potentially explosive atmospheres. Oil immersion 'o' — 8 стр.

Заменен

Specification for sprayed unfused metal coatings for engineering purposes — 12 стр.

Действует

Specification for degrees of protection provided by enclosures (IP code) — 42 стр.

Действует

Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines — 24 стр.

Заменен

Electrical apparatus for potentially explosive atmospheres. Powder filling 'q' — 16 стр.