ДСТУ EN 60728-11:2019 Кабельні мережі для розподілення телевізійних сигналів, аудіосигналів та мультимедійних служб. Частина 11. Безпека (EN 60728-11:2017, IDT; IEC 60728-11:2016, IDT)



ДСТУ EN 60728-11:2019
(EN 60728-11:2017, IDT; IEC 60728-11:2016, IDT)

Кабельні мережі для розподілення телевізійних сигналів, аудіосигналів та мультимедійних служб. Частина 11. Безпека

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions, symbols and abbreviations

3.1 Terms and definitions

3.2 Symbols

3.3 Abbreviations

4 Fundamental requirements

4.1 General

4.2 Mechanical requirements

4.3 Accessible parts

4.4 Laser radiation

5 Protection against environmental influences

6 Equipotential bonding and earthing

6.1 General requirements

6.2 Equipotential bonding mechanisms

6.3 Equipotential bonding in meshed systems

6.3.1 References to other standards

6.3.2 General on AC mains

6.3.3 AC power distribution and connection of the protective conductor

6.3.4 Dangers and malfunction

6.3.5 Measures

7 Mains-supplied equipment

8 Remote power feeding in cable networks

8.1 Remote power feeding

8.1.1 Maximum allowed voltages

8.1.2 General requirements for equipment

8.1.3 Current-carrying capacity and dielectric strength of the components

8.2 Remote powering from subscriber premises

9 Protection against contact and proximity to electric power distribution systems

9.1 General

9.2 Overhead lines

9.2.1 Overhead lines up to 1 000 V

9.2.2 Overhead lines above 1 000 V

9.3 House installations up to 1 000 V

10 System outlets and transfer points

10.1 General

10.2 System outlet

10.2.1 Types of system outlets

10.2.2 Fully isolated system outlet

10.2.3 Semi-isolated system outlet

10.2.4 Non-isolated system outlet with protective element

10.2.5 Non-isolated system outlet without protective element

10.2.6 Fully-isolated system outlet provided by means of aFTTH system

10.3 Transfer poin

11 Protection against atmospheric overvoltages and elimination of potential Differences

11.1 General

11.2 Protection of the antenna system

11.2.1 Selection of appropriate methods for protection ofantenna systems

11.2.2 Building equipped with a lightning protectionsystem (LPS)

11.2.3 Building not equipped with an LPS

11.3 Earthing and bonding of the antenna system

11.3.1 Internal protection system

11.3.2 Earthing conductors

11.3.3 Earth termination system

11.4 Overvoltage protection

12 Mechanical stability

12.1 General requirements

12.2 Bending moment

12.3 Wind-pressure values

12.4 Mast construction

12.5 Data to be published

Annex A (informative) Earth loop impedance

A.1 General

A.2 Earthing for fault conditions

A.3 Earthing to protect against hazardous touchvoltage

A.4 Temporary safety measures

Annex B (informative) Use of shield wires to protect installations with coaxial cables

B.1 General

B.2 Soil quality determines shield-wiringnecessity

B.3 Protective measures againstdirect lightningstrikes on under ground cables

Annex C (informative) Differences in some countries

C.1 Subclause 6.1

C.1.1 France

C.1.2 Japan

C.2 Subclause 6.2

C.2.1 France

C.2.2 Norway

C.2.3 Japan and Poland

C.3 Subclause 6.3 - Norway

C.3.1 Justification

C.3.2 Equipotential bondingmechanismfor cablenetworks

C.3.3 Use of galvanic isolation in a cable networkwithremote power-feeding

C.3.4 Use of voltage dependent protective device in acable network

C.4 Subclause 8.1.1 - Japan

C.5 Subclause 9.1 - France

C.6 Subclause 9.2 - Japan

C.7 Subclause 10.1

C.7.1 Sweden

C.7.2 UK

C.8 Subclause 10.2 - Japan

C.9 Subclause 11.1- Japan

C.10 Subclause 11.2

C.10.1 Germany

C.10.2 Japan

C.11 Subclause 11.3.2 - Japan

C.12 Subclause 11.3.3 - Japan

C.13 Subclause 12.2 - Japan

C.14 Subclause 12.3 - Finland

Bibliography