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8 Selection, installation and assembly 9.14 Surge protection for telecommunication
of surge protective devices (SPDs) � � 216 connections . . . . . . . . . . . . . . . . . . 334
8.1 Power supply systems (as part of the lightning 9.15 Surge protection for LED mast lights. . . . . . 338
protection zone concept according to 9.16 Lightning and surge protection for wind
IEC 62305-4 (EN 62305-4)) . . . . . . . . . . 217 turbines . . . . . . . . . . . . . . . . . . . . 342
8.1.1 Characteristics of SPDs. . . . . . . . . . . . . 217 9.17 Protection of cell sites (4G / LTE) . . . . . . . . 354
8.1.2 Use of SPDs in various systems . . . . . . . . 219 9.18 Lightning and surge protection for rooftop
8.1.3 Use of SPDs in TN systems . . . . . . . . . . . 221 photovoltaic systems. . . . . . . . . . . . . . 362
8.1.4 Use of SPDs in TT systems . . . . . . . . . . . 227 9.19 Lightning and surge protection for free field
PV power plants . . . . . . . . . . . . . . . . 374
8.1.5 Use of SPDs in IT systems . . . . . . . . . . . 229
9.20 Surge protection for Local Operating Networks
8.1.6 Determination of the correct connecting cable
lengths for SPDs . . . . . . . . . . . . . . . . 234 (LONs) . . . . . . . . . . . . . . . . . . . . . 384
9.21 Surge protection for petrol stations . . . . . . 388
8.1.7 Rating of the cross-sectional areas and backup
protection for surge protective devices . . . . 239 9.22 Protection from touch and step voltages for
8.1.8 Surge arrester with integrated backup fuse . . 243 sports grounds . . . . . . . . . . . . . . . . . 392
9.23 Lightning and surge protection for golf courses 396
8.2 Information technology systems . . . . . . . . 244
9.24 Surge protection for churches . . . . . . . . . 402
8.2.1 Measuring and control systems . . . . . . . . 252
9.25 Surge protection for light strips . . . . . . . . 404
8.2.2 Building management systems. . . . . . . . . 253
9.26 Surge protection for lifts . . . . . . . . . . . . 408
8.2.3 Generic cabling systems (computer networks,
telecommunication systems). . . . . . . . . . 254 9.27 Surge protection for smoke and heat extraction
systems . . . . . . . . . . . . . . . . . . . . 410
8.2.4 Intrinsically safe measuring circuits . . . . . . 255
9.28 General instructions on lightning protection
8.2.5 Aspects to be observed for the installation of for shelters . . . . . . . . . . . . . . . . . . . 416
SPDs . . . . . . . . . . . . . . . . . . . . . . 260 9.29 Surge protection for gutter heating systems . . 422
8.2.6 Protection and availability of installations 9.30 Use of application-optimised type 1 combined
thanks to maintenance strategies . . . . . . . 263
arresters in low-voltage installations . . . . . 426
9 White papers � � � � � � � � � � � � � � 266 9.31 Surge protection for safety lighting systems . . 432
9.1 Surge protection for frequency converters . . . 266 9.32 Lightning and surge protection for potentially
9.2 Lightning and surge protection for outdoor explosive atmospheres. . . . . . . . . . . . . 436
lighting systems . . . . . . . . . . . . . . . . 270 9.33 Lightning protection systems for gas pressure
9.3 Lightning and surge protection for biogas plants 274 control and measurement systems. . . . . . . 444
9.4 Retrofitting sewage plants with lightning and 9.34 Lightning and surge protection for yachts . . . 450
surge protection measures. . . . . . . . . . . 284 Annex � � � � � � � � � � � � � � � � � � � � � � 456
9.5 Safety requirements for cable networks, remote A. References . . . . . . . . . . . . . . . . . . . 457
signals, sound signals and interactive services. . 290
B. Figures and tables . . . . . . . . . . . . . . . 463
9.6 Surge protection for agricultural buildings. . . 296
C Terms and definitions . . . . . . . . . . . . . 474
9.7 Surge protection for CCTV systems . . . . . . 300
D. Abbreviations . . . . . . . . . . . . . . . . . 478
9.8 Surge protection for public address systems . . 304 E. Technical symbols . . . . . . . . . . . . . . . 480
9.9 Surge protection for emergency alarm systems 308 F. Index. . . . . . . . . . . . . . . . . . . . . . 482
9.10 Surge protection for KNX systems . . . . . . . 312
9.11 Surge protection for Ethernet and Fast Ethernet
networks . . . . . . . . . . . . . . . . . . . . 318
9.12 Surge protection for the M-bus . . . . . . . . 324
9.13 Surge protection for PROFIBUS FMS, DP and PA 330

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