Requirements and tests for the construction and performance of complete metric cable glands, as supplied by the manufacturer or supplier. Does not include parts of cable glands.<\/p>\n
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| 1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
| 2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Foreword Foreword to amendment A1 Foreword to amendment A2 Contents <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | 3 Definitions 3.1 cable gland 3.2 size 3.3 cable 3.4 flexible cable 3.5 armoured cable 3.6 !cable retention 3.7 !cable anchorage 3.8 cable guard 3.9 composite cable gland 3.10 family (of cable glands) <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | 4 General requirements 5 General conditions for tests 5.1 Tests according to this standard are type tests. 5.2 Unless otherwise specified, the tests shall be carried out on cable glands assembled and moun… 5.3 Unless otherwise specified, the tests shall be carried out at an ambient temperature of (20\ufffd\u00b1… 5.4 Before the tests, in accordance with Clause 5.5 Cable glands shall be conditioned for at least\ufffd24\ufffdh at a temperature of (20\ufffd\u00b1\ufffd5)\ufffd\u00b0C and a rel… 5.6 Unless otherwise specified, three samples shall be subjected to the relevant tests. 5.7 Unless otherwise specified, test mandrels shall consist of a metallic rod with an elastomeri… 5.8 Clearance holes shall have the values as given in <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 6 Classification 6.1 According to material 6.2 According to mechanical properties 6.3 According to electrical properties 6.4 According to resistance to external influences 6.5 According to sealing system <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 7 Marking and documentation 7.1 An appropriate part of the cable gland shall be legibly and durably marked in a visible place… 7.2 The test is made by rubbing the marking by hand for\ufffd15\ufffds with a piece of cotton cloth soaked … 7.3 The manufacturer or supplier shall provide in his literature all information necessary for th… 8 Construction 8.1 Those parts of a cable gland that are used for tightening or for holding during installations… 8.2 All external projecting edges, and corners of cable gland components shall be smooth, to prev… <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 8.3 Cable glands shall be constructed to avoid cable damage when installed in accordance with the… 8.4 Cable glands shall provide a minimum degree of IP54\ufffdin accordance with EN\ufffd60529. 8.5 Care shall be taken in the construction of cable glands to ensure that no detrimental effects… 8.6 Cable glands shall be suitable for use within a minimum temperature range of p20\ufffd\u00b0C to\ufffd65\ufffd\u00b0C…. 9 Mechanical properties 9.1 Cable retention for cable glands without protective bonding to earth <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Figure 1 Typical arrangement for cable retention test <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Table 2A Pull forces for cable retention and cable anchorage ” Table 2B Pull forces for cable retention for armoured cable 9.2 Cable retention for cable glands with protective bonding to earth 9.3 Cable anchorage <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Figure 2 Typical arrangement for cable anchorage pull test <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Table 3 Torque values for cable anchorage twist test 9.4 Resistance to impact <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Figure 3 Typical arrangement for cable anchorage twist test Table 4 Impact values 9.5 Excess tightening and seal performance <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Figure 4 Typical arrangement for impact test <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 9.6 Cable guard 10 Electrical properties 10.1 !Equipotential bonding” 10.2 Electrical connection to metallic layer(s) of cable 10.3 Insulation resistance <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Figure 5 Typical arrangement for insulation resistance measurement 10.4 !Protective connection to earth” <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Figure 6 Typical arrangement for mechanical pre\ufffdstressing <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Figure 7 Typical arrangement for electrical current tests <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Table 5 Electrical current values 11 Electromagnetic compatibility 12 External influences 12.1 IP Code in accordance with EN\ufffd60529 <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 12.2 Resistance to abnormal heat 12.3 Resistance to salt and sulphur dioxide laden atmospheres <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | National Annex NA (informative) Guidance on application of EN 50262 to cable glands with non-metric entry threads NA.1 Clearance holes for testing cable glands NA.2 Marking and documentation NA.2.1 Marking NA.2.2 Documentation Table NA.1 Standards specifying non-metric entry threads <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | NA.3 Non-metric equivalents of metric entry threads Table NA.2 Non-metric equivalents of metric entry threads <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Cable glands for electrical installations<\/b><\/p>\n |