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BS EN 60900:2012

$198.66

Live working. Hand tools for use up to 1000 V a.c. and 1500 V d.c.

Published By Publication Date Number of Pages
BSI 2012 56
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This International Standard is applicable to insulated and insulating hand tools used for working live or close to live parts at nominal voltages up to 1 000 V a.c. and 1 500 V d.c.

The products designed and manufactured according to this standard contribute to the safety of the users provided they are used by skilled persons, in accordance with safe methods of work and the instructions for use (where appropriate).

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
9 INTRODUCTION
10 1 Scope
2 Normative references
3 Terms and definitions
11 4 Requirements
4.1 General requirements
4.1.1 Safety
4.1.2 Performance under load
12 4.1.3 Multiple-ended hand tools
4.1.4 Marking
Figures
Figure 1 – Marking of the electrical working limit adjacent to the symbol double triangle
13 4.1.5 Separating of covers
4.1.6 Instructions for correct adjustment and assembly
4.2 Requirements concerning insulating materials
4.2.1 General
4.2.2 Thermal stability
4.3 Additional requirements
4.3.1 Hand tools capable of being assembled
14 Figure 2 – Description of the insulating overlapping element and different assembly configurations for hand tools capable of being assembled with square drives
15 Figure 3 – Marking symbol for hand tools capable of being assembledand designed to be interchangeable between different manufacturers
Tables
Table 1 – Dimensions and tolerances of the insulating overlapping element
16 4.3.2 Screwdrivers
Figure 4 – Illustration of insulation of typical hand tools
17 4.3.3 Wrenches – uninsulated areas
4.3.4 Adjustable wrenches
18 4.3.5 Pliers, strippers, cable scissors, cable-cutting hand tools
Figure 5 – Insulated adjustable wrench
19 Figure 6 – Insulation of pliers
Figure 7 – Insulation of multiple slip joint pliers
20 Figure 8 – Insulation of pliers with a functional area below the joint
21 4.3.6 Scissors
Figure 9 – Illustration of insulation of pliers and nippers for electronics
22 4.3.7 Knives
Figure 10 – Insulation of scissors
23 4.3.8 Tweezers
Figure 11 – Insulation of knives
24 5 Tests
5.1 General
Figure 12 – Example of insulation of the handles of tweezers
25 5.2 Visual check
5.3 Dimensional check
5.4 Impact tests
5.4.1 Type test
26 Figure 13 – Example of test arrangement for the impact test – Method A
27 Figure 14 – Example of test arrangement for the impact test – Method B
28 5.4.2 Alternative means in case of insulated and insulating hand tools having completed the production phase
5.5 Dielectric tests
5.5.1 General requirements
5.5.2 Conditioning (for type test only)
29 5.5.3 Dielectric testing of insulated hand tools
30 Figure 15 – Dielectric testing arrangement for insulated hand tools
31 Figure 16 – Description of dummies for dielectric tests for hand tools capableof being assembled with square drives
Table 2 – Dimensions and tolerances for dummies to be used for dielectric tests
32 5.5.4 Dielectric testing of insulating hand tools
Figure 17 – Dielectric testing arrangement for insulating hand tools
33 5.6 Indentation test (for insulated hand tools)
5.6.1 Type test
34 5.6.2 Alternative means in case of insulated hand tools having completed the production phase
5.7 Test for adhesion of the insulating material coating (for insulated hand tools)
5.7.1 Conditioning
Figure 18 – Indentation test
35 5.7.2 Type test
36 Figure 19 – Principle of the testing device for checking adhesion of the insulating coating on conductive parts of the insulated hand tools – Test on the working head – Method A
37 Figure 20 – Principle of the testing device for checking adhesion of the insulating coating on conductive parts of the insulated hand tools – Test on the working head – Method B
38 Figure 21 – Testing device for checking adhesion of the insulating coating of screwdrivers on conductive parts and the handle
40 5.7.3 Alternative means in case of insulated hand tools having completed the production phase
Figure 22 – Example of mountings for checking stability of adhesion of the insulation of the entire hand tool
41 5.7.4 Test of adhesion of insulating covers of conductive adjusting or switching elements
5.8 Mechanical tests
5.8.1 Insulated hand tools
42 5.8.2 Insulating hand tools
5.8.3 Tweezers
5.8.4 Retaining force test
43 Figure 23 – Dummies for testing locking systems used with square drives nominal size 12,5 mm of ISO 1174
Figure 24 – Dummies for testing locking systems used with square drives nominal size 10 mm of ISO 1174
44 5.9 Durability of marking
5.10 Flame retardancy test
5.10.1 Type test
45 5.10.2 Alternative means in case of hand tools having completed the production phase
Figure 25 – Example of a flame retardancy test arrangement
46 6 Conformity assessment of hand tools having completed the production phase
7 Modifications
47 Annex A (informative) Mechanical strength of insulating hand tools
Table A.1 – Torque values for insulating screwdrivers
49 Annex B (normative) Suitable for live working; double triangle (IEC 60417-5216:2002-10)
50 Annex C (informative) Recommendation for use and in-service care
51 Annex D (normative) General type test procedure
Table D.1 – Sequential order for performing type tests
52 Annex E (normative) Examples of calculation of the unwinded length of coating and acceptable leakage current
53 Annex F (normative) Classification of defects and tests to be allocated
Table F.1 – Classification of defects and associated requirements and tests
54 Bibliography
BS EN 60900:2012
$198.66