1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General notes on test
6 Ratings
7 Classification
8 Marking and other information
9 Protection against electric shock
10 Change of input voltage setting
11 Output voltage and output
current under load
12 No-load output voltage
13 Short-circuit voltage
14 Heating
15 Short circuit and overload
protection
16 Mechanical strength
17 Protection against harmful
ingress of dust, solid objects
and moisture
18 Insulation resistance, dielectric
strength and leakage current
19 Construction
20 Components
21 Internal wiring
22 Supply connection and other
external flexible cables or
cords
23 Terminals for external conductors
24 Provisions for protective earthing
25 Screws and connections
26 Creepage distances, clearances
and distances through insulation
27 Resistance to heat, fire
and tracking
28 Resistance to rusting
Annexes
Annex B (normative) - Testing a series
of transformers
Annex L (normative) - Routine tests
(production test)
Annex AA (informative) - Saving energy
Annex BB (informative) - Incorporated
transformers
Bibliography
Annex ZA (normative) - Normative
references to international
publications with their
corresponding European
publications