NEN EN 60335-2-12 : 1995

Foreword
1 Scope
2 Definitions
3 General requirement
4 General conditions for the tests
5 Void
6 Classification
7 Marking and instructions
8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power Input and current
11 Heating
12 Void
13 Leakage current and electric strength at operating
    temperature
14 Void
15 Moisture resistance
16 Leakage current and electric strength at operating
    temperature
17 Overload protection of transformers and associated
    circuits
18 Endurance
19 Abnormal operation
20 Stability and mechanical hazards
21 Mechanical strength
22 Construction
23 Internal wiring
24 Components
25 Supply connection and external flexible cords
26 Terminals for external conductors
27 Provision for earthing
28 Screws and connections
29 Creepage distances, clearances and distances through
    insulation
30 Resistance to heat, fire and tracking
31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Annexes

Deals with the safety of electric warming plates, warming trays and similar appliances meant for keeping food or vessels warm, for purposes such as household, their rated voltage being at a 250 V maximum.