IEC 60092-502:1999

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Area classification
      4.1 General
      4.2 Tankers carrying flammable liquids other than
             liquefied gases having a flashpoint not
             exceeding 60 degree C, for example crude oil,
             oil products, chemical products
      4.3 Tankers carrying flammable liquids having a
             flashpoint exceeding 60 degree C
      4.4 Tankers carrying flammable liquefied gases
      4.5 Tankers carrying cargoes (for example acids)
             reacting with other products/materials to
             evolve flammable gases
5 Electrical systems
      5.1 Sources of electrical power
      5.2 Distribution systems
      5.3 Electrical protection
      5.4 Equipotential bonding
      5.5 Static electricity
      5.6 Lightning protection
      5.7 Cathodically protected metallic parts
      5.8 Electromagnetic radiation
6 Electrical equipment
      6.1 General
      6.2 Selection of electrical equipment
      6.3 Certified safe type equipment
      6.4 Electrical equipment of the type 'n' and that
             which ensures the absence of sparks and arcs
             and of 'hot spots' during its normal operation
      6.5 Electrical equipment in hazardous areas
      6.6 Movable equipment
7 Installation
      7.1 General
      7.2 Selection of apparatus
      7.3 Wiring system - general
      7.4 Cable wiring systems
      7.5 Connection of cables
      7.6 Cable joints
8 Ventilation and pressurisation
      8.1 General
      8.2 Design principle
      8.3 Ventilation related to area classification
      8.4 Protection by over-pressure
9 Inspection and maintenance
      9.1 General
      9.2 Inspection and testing
      9.3 Isolation of apparatus
      9.4 Maintenance
      9.5 Qualifications of personnel
10 Documentation
      10.1 Area classification
      10.2 Equipment
      10.3 Installation
      10.4 Maintenance
      10.5 Administration of the documentation
Annex A (informative) Examples of hazardous area
                      classification - Basic principles
Annex B (informative) Examples of hazardous area
                      classification - Tankers carrying
                      flammable liquids other than liquefied
                      gases having a flashpoint not
                      exceeding 60 degree C for example,
                      crude oil, oil products, chemical
                      products
Annex C (informative) Examples of hazardous area
                      classification - Tankers carrying
                      flammable liquids having a flashpoint
                      exceeding 60 degree C - Unheated
                      cargoes and cargoes heated to
                      temperature (TH) below, and not within
                      15 degree C of, their flashpoint (FP)
Annex D (informative) Examples of hazardous area
                      classification - Tankers carrying
                      flammable liquefied gases
Annex E (informative) Examples of hazardous area
                      classification - Tanker carrying
                      cargoes (for example acids) reacting
                      with other products/materials to
                      evolve flammable gases

Deals with the electrical installations in tankers carrying liquids which are flammable, either inherently, or due to their reaction with other substances, or flammable liquefied gases.