Electrical relays - Part 3: Single input energizing quantity measuring relays with non-specified tim...
Definitions. Standard values relating to energizing quantities influencing quantities. Fundamental characteristics relating to temperature rises and behaviour in service. Accuracy requirements relating to the characteristic quantity and specified times. Mechanical and electrical requirements. Markings and data. Methods of measurement.
Basic dimensions of winding wires - Part 4: Diameters of conductors for round resistance wires
Relates to the sizes of the conductors of round resistance wires irrespective of the conductor material, the type of insulation and the intended application.
Low-frequency cables and wires with p.v.c. insulation and p.v.c. sheath - Part 7: Distribution wire...
Applicable to distribution wires, p.v.c., insulated and polyamide coated, used inside buildings for:
- connecting terminals on equipment frames or apparatus to one another or to distribution frames;
- interconnection between subscribers' lines and exchange equipment in telegraph or telephone exchanges;
- temporary installations: under relatively adverse conditions of use.This standard should…
