– Download as PDF File .pdf), Text File .txt) or read online. The reference document was approved by CENELEC as EN on 6 July This does not preclude the free use. of the publications of the international. STANDARD. IEC. First edition. This English-language version is derived from the original This is a free 10 page sample. Access the full. Download IEC General Requirements – Amendment
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Figure 15 shows two connection-oriented terminal connection tables with terminal designations ief the remote end, based on Figure The wires entering or leaving a cable bundle are shown in such a way that they are easily identifiable.
All normative documents are subject to electrotechnology — Part 1: Code for designation of colours. Figure 11 shows an example of an interconnection diagram for the cable shown in Figure Basic and safety principles for man-machine interface, marking and identification – Identification of equipment terminals, conductor terminations and conductors.
Revisions British Standards are updated by amendment or revision. Devices shall be represented and identified by the item designations.
Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Cable diagrams, tables and lists Figure 20 shows an example with three units —A1, —A2, and —A3. This part of IEC provides general rules and guidelines for the presentation of information in documents, and specific rules for diagrams, drawings and tables used in electrotechnology.
No tests need to be performed at frequencies where no requirements are specified. Form and use of arrows. Contact the Information Centre.
Your consent to our cookies if you continue to use this website. Conductor groups, cables, cable bundles, etc.
Switchgear, controlgear and protective devices. Units —A1 and —A2 are interconnected by the screened 5-core cable —W1, provided with plugs —X1 and —X2. Iec preparation of documents used in electrotechnology – part 3: This European Standard is applicable to specify the requirements ieec the design and erection of earthing systems of electrical installations, in systems with nominal voltage above 1 kV a.
Connection documents are used when assembling, 2. Electrical design drawing standards. Compare the diagram in Figure 7, which shows the same equipment. Common rules for disconnection diagrams, tables and lists 2. The standard applies to the text of descriptions, drawings, markings, etc. Users of British Standards should make sure that they possess the latest amendments or editions.
Guidelines for the adaptation of graphical symbols for use on screens and displays icons. Single-line representation has been used and the information on the individual connections has been supplemented with information on the kind of current and voltage.
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Conductors carrying named signals shall have the signal designations shown at one end of the connecting line on diagrams intended for installation, operation, or maintenance. Symbols for binary logic and related fres.
Figure 21 shows an example of a cable table for the same equipment as that shown in Figure Connection diagrams, tables and lists IEC A British Standard does not purport to include all the necessary provisions of a contract.
Low-voltage switchgear and controlgear. EN series Open data communication in building automation, controls and building management – Home and building electronic system – Part 1: This part of iec provides general rules and guidelines for the presentation of information in documents, and specific rules for diagrams, drawings and tables.