IEC 60922:1997

FOREWORD
INTRODUCTION
SECTION 1: GENERAL REQUIREMENTS
1 General
1.1 Scope and object
1.2 Normative references
2 Definitions
3 General requirements
4 General notes on tests
5 Classification
6 Marking
6.1 Mandatory markings
6.2 Information to be provided, if applicable
6.3 Other information
6.4 Marking shall be durable and legible
SECTION 2: SAFETY REQUIREMENTS
7 Protection against accidental contact with live parts
8 Terminals
9 Provisions for earthing
10 Moisture resistance and insulation
11 High-voltage impulse test
12 Thermal endurance of windings
13 Ballast heating
14 Screws, current-carrying parts and connections
15 Creepage distances and clearances
16 Resistance to heat, fire and tracking
17 Resistance to corrosion
Figures
Annexes
A Thermal endurance test for windings
B The use of constants S other than 4500 in Tw tests
C Draught-proof enclosure
D Method of selection of varistors
E Explanation to ballast temperatures
F Particular requirements for thermally protected ballasts

Supersedes IEC 60262 and 60459. Specifies safety requirements for ballasts for discharge lamps such as high-pressure mercury vapour, low-pressure sodium vapour, high-pressure sodium vapour and metal halide lamps.