NEN EN 50144-2-4 : 1999

1 Scope
2 Definitions
3 General requirements
4 General conditions for the tests
5 Rating
6 Classification
7 Marking and information for use
8 Protection against electric shock
9 Starting
10 Input and current
11 Heating
12 Leakage current
13 Environmental requirements
14 Moisture resistance
15 Insulation resistance and electric strength
16 Endurance
17 Abnormal operation
18 Mechanical hazards
19 Mechanical strength
20 Construction
21 Components
22 Internal wiring
23 Supply connection and external flexible cables and
      cords
24 Terminals for external conductors
25 Provision for earthing
26 Screws and connections
27 Creepage distances, clearances and distances through
      insulation
28 Resistance to heat, fire and tracking
29 Resistance to rusting
30 Radiation
Annexes

Refers to hand-held electric motor operated or magnetically driven tools intended for indoor or outdoor use. Applies to hand-held reciprocating sanders, orbital sanders, random orbital sanders and belt sanders. Does not cover criteria for tool design, for reducing risks arising from noise and vibration. Does not cover disc-type sanders which are covered under EN 50144-2-3.