NF C01-821

Electrotechnical Vocabulary. Chapter 821 : signalling and security apparatus for railways.

Après avoir donné un certain nombre de termes généraux, le présent document donne les termes relatifs aux signaux, à la détection des trains, aux aiguillages, aux systèmes de cantonnement, à la protection des passages à niveau, et à la protection et à la conduite automatique des trains.

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:

• mandatory clauses to satisfy,
• non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document "ISO/IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents" as well as on a constantly enriched list of verbal forms.

With Requirements, quickly access the main part of the normative text!