BS EN 60238:1999:2003 Edition
$215.11
Edison screw lampholders
| Published By | Publication Date | Number of Pages |
| BSI | 2003 | 66 |
Technical and dimensional requirements and methods of test used in determining and safety and fit of lamps. Applies to E5, E10, E14, E27 and E40 thread sizes.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | National foreword |
| 4 | Foreword Foreword to amendment A1 Foreword to amendment A2 |
| 5 | Contents |
| 7 | 1. General 1.1 Scope 1.2 Normative references |
| 8 | 2 Definitions |
| 11 | 3 General requirement 4 General conditions for tests |
| 12 | 5 Standard ratings |
| 13 | 6 Classification 7 Marking |
| 15 | 8 Dimensions Table 1 – Thickness of screw shells and contacts |
| 16 | Table 2 – Minimum effective screw lengths Table 3 – Dimensions of threaded entries and set screws |
| 17 | 9 Protection against electric shock |
| 18 | 10 Terminals |
| 19 | Table 4 – Minimum dimensions of pillar-type terminals |
| 20 | Table 5 – Minimum dimensions of screw-type terminals |
| 21 | 11 Provision for earthing |
| 22 | 12 Construction |
| 24 | Table 6 – Pull and torque values |
| 25 | Table 14 – Insertion torque Table 15 – Minimum and maximum removal torque |
| 26 | 13 Switched lampholders 14 Moisture resistance, insulation resistance and electric strength |
| 28 | 15 Mechanical strength Table 7 – Test cap dimensions |
| 29 | Table 8 – Heights of fall |
| 31 | Table 9 – Maximum deformation values 16 Screws, current-carrying parts and connections |
| 32 | Table 10 – Torque values |
| 33 | 17 Creepage distances and clearances Table 11 – Minimum distances for a.c. (50/60 Hz) sinusoidal voltages |
| 34 | Table 12 – Minimum distances for non-sinusoidal pulse voltages 18 Normal operation |
| 35 | 19 General resistance to heat |
| 36 | Table 13 – Heating cabinet temperatures |
| 37 | 20 Resistance to heat, fire and tracking |
| 39 | 21 Resistance to excessive residual stresses (season cracking) and to rusting |
| 40 | Annex A (normative) Season cracking/corrosion test A.1 Test cabinet A.2 Test solution Table A.1 – pH adjustment A.3 Test procedure |
| 41 | Figure 1a – Nipple thread for lampholders — Basic profile and design profile for the nut and for the screw |
| 42 | Figure 1b – Nipple thread for lampholders — Basic profile and design profile for the nut and for the screw |
| 43 | Figure 2a – Gauges for metric ISO thread for nipples |
| 44 | Figure 2b – Gauges for ISO standard pipe thread for nipples |
| 45 | Figure 3 – Gauge for holes for backplate lampholder screws |
| 46 | Figure 4 – Normal operation test apparatus |
| 47 | Figure 5 – Test caps for the test of Clause 18 |
| 48 | Figure 6 – Torque apparatus |
| 49 | Figure 7 – Tumbling barrel |
| 50 | Figure 8 – Impact-test apparatus |
| 51 | Figure 8a – Mounting support |
| 52 | Figure 9 – Pressure apparatus Figure 10 – Ball-pressure test apparatus |
| 53 | Figure 11 – Test cap for the tests of |
| 54 | Figure 12 – Bending apparatus |
| 55 | Figure 13 – Test cap A and test cap B for lampholders E14 |
| 57 | Figure 14 – Test cap for lampholders E27 |
| 58 | Figure 15 – Test cap for lampholders E40 |
| 59 | Figure 16 – Standard test finger (according to IEC�60529) |
| 60 | Figure 17 – Equipment to prove protection against drops of liquid |
| 61 | Figure 18 – Clarification of some definitions |
| 62 | Figure 19 – Preparation of specimens for the needle-flame test of� |
| 63 | Annex A (normative) Normative references to international publications with their corresponding European … |
