Cable trunking systems and cable ducting systems for electrical installations - General requirements Ingestion-build-224916 Agencies involved in data transmission

Agencies involved in data transmission

where it is subjected to a rubbing-type soiling process under standard conditions

Where operations are carried out on cleaning and inspection openings of refiners and piping which are pressurized or where there is a risk of stock overheating in case of congestion

6 and 7 have to be considered as the starting points of a comprehensive approach for the normal road lighting

Annex C (informative) Operating parameters

Cable trunking systems and cable ducting systems for electrical installations - General requirements Ingestion-build-224916 Agencies involved in data transmission1 Scope This European Standard specifies requirements and tests for cable trunking systems (CTS) and cable ducting systems (CDS) intended for the accommodation, and where necessary for the electrically protective separation, of insulated conductors, cables and possibly other electrical equipment in electrical and or communication systems installations. The maximum voltage of these installations is 1 000 V a. c. and 1 500 V d. c. This standard does not