SN EN 60745-2-20 : 2003

Foreword
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 General conditions for the tests
6 Environmental requirements
7 Classification
8 Marking and instructions
9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Leakage current
14 Moisture resistance
15 Electric strength
16 Overload protection of transformers and
   associated circuits
17 Endurance
18 Abnormal operation
19 Mechanical hazards
20 Mechanical strength
21 Construction
22 Internal wiring
23 Components
24 Supply connection and external flexible cords
25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances
   through insulation
29 Resistance to heat, fire and tracking
30 Resistance to rusting
31 Radiation, toxicity and similar hazards
Annexes
Annex A (normative) Measurement of creepage distances
        and clearances
Annex B (normative) Motors not isolated from the supply
        mains and having basic insulation not designed for
        the rated voltage of the tool
Annex C (normative) Circuit for measuring leakage currents
Annex D (normative) Burning test
Annex E (normative) Glow-wire test
Annex F (normative) Needle-flame test
Annex G (normative) Proof tracking test
Annex H Void
Annex I (normative) Switches
Annex J (informative) Selection and sequence of the tests
        of clause 29
Annex K (normative) Battery tools and battery packs
Annex L (normative) Battery tools and battery packs
        provided with mains connection or non-isolated
        sources
Bibliography

Covers the safety of hand-held motor-operated or magnetically driven electric tools, the rated voltage of the tools being not more than 250 V for single-phase a.c. or d.c. tools, and 440 V for three-phase a.c. tools. It applies to band saws.