| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 7<\/td>\n | 1 Modification to the Title 2 Modification to 3.1, Electrical safety and hazards 3 Modifications to 3.3, Return circuit <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 4 Modifications to 3.4, Electric traction power supply system 5 Modifications to 3.5, Contact line 6 Modifications to 3.6, Corrosion and corrosion protection 7 Modifications to 3.9, General terms 8 Modification to 4.1, Overhead contact line <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 9 Modification to 4.3, Trolleybuses and road vehicles using an overhead contact line 10 Modification to 5.1.2, Design procedure <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 11 Modification to 5.1.3, Electrical clearances 12 Modification to 5.2.1, Calculation method for protection by clearance Electrical clearances <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 13 Modification to 5.2.2, Dimensions of clearances 14 Modification to 5.2.6, Clearances above standing surfaces on vehicles 15 Modification to 5.3.2, Common requirements for electrically protective obstacles 16 Modification to 5.3.3.2, Taut string line method 17 Modification to 5.3.4.2.2, Taut string line method 18 Modification to 5.3.4.2.4, Taut string line method <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 19 Modification to 5.4, Protection against direct contact with live parts mounted on vehicles 20 Modification to 5.6.5, Requirements for top contact ground level conductor rails in public areas 21 Modification to 6.2.1.2, Exceptions in tunnels <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 22 Modification to 6.2.2.2, Exceptions in tunnels 23 Modification to 6.2.3.3, Bonding of overhead contact line supporting structures to the return circuit 24 Modification to 7.1, General 25 Modification to 7.2.1, Equipment of protection Class I 26 Modification to 7.2.2, Equipment of protection Class II 27 Modification to 7.2.3, Cables 28 Modification to 7.2.4, Low voltage connected equipment 29 Modification to 7.3.1, Design of low voltage non-traction power supply <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 30 Modification to 7.3.2, Low voltage power supply by a TT system on the railway side 31 Modification to 7.3.3, Low voltage power supply by TN system 32 Modification to 7.3.4, Low voltage power supply by IT system 33 Modification to 7.3.5.1, AC railways 34 Modification to 7.3.5.2, DC railways 35 Modification to 9.2.2.2, Effective touch voltage limits 36 Modification to 9.3.2.2, Effective touch voltage limits 37 Modification to 10.3.1, General requirements 38 Modification to 10.5, Means of achieving safe isolation between sections 39 Modification to B.2, Examples <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Draft BS EN 50122-1\/A1 Fixed installations for railway applications. Electrical safety, earthing and the return circuit – Protective provisions against electric shock<\/b><\/p>\n |