Hellenic Gas Transmission System Operator S.A.
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  • ELECTRICAL – CATHODIC & LIGHTNING PROTECTION
A-AA+
  • New projects under constructions
  • New Connections
  • Facilities
  • Incremental Capacity
  • Technical Job Specification List
    • Pipelines
      • Piping – Welding- Vessels
      • Civil
      • Piping
      • Electrical – Cathodic & Lightning Protection
      • Instrumentation
      • Insulation
      • Miscellaneous
    • LNG Installation

Electrical – Cathodic & Lightning Protection

    700/1 GENERAL NOTES FOR ELECTRICAL EQUIPMENT AND MATERIALS

    700/3 ELECTRICAL MATERIAL SUPPLIED WITH PACKAGED UNITS

    700/4 ELECTRICAL ENGINEERING DOCUMENTS

    700/5 GENERAL ELECTRICAL WORKS

    700/6 ELECTRICAL INSTALLATION IN CIVIL BUILDING

    700/7 AREA CLASSIFICATION

    710/1 GENERAL EARTHING AND BONDING SYSTEMS

    720/1 CHECKING SYSTEM FOR EARTH FAULT OF LOW VOLTAGE USERS

    721/3 ELECTRICAL SWITCHBOARDS

    722/1 POWER TRANSFORMERS

    724/3 STANDARDIZATION OF LOW VOLTAGE FUSES

    727/1 DC BATTERIES AND CHARGERS

    727/2 24 V.D.C. POWER SUPPLY

    732/1 STANDARD FOR CABLE DESIGN AND APPLICATION

    740/1 OUTDOOR LIGHTING (ROADWAYS BOUNDARY FENCES AND GENERAL AREAS)

    752/1 ALL DIELECTRIC OPTICAL FIBRE CABLES

    758/1 FIRE ALARM SYSTEM

    760/1 ELECTRICAL SUPPLIES FOR INSTRUMENTATION

    783/2 EXTERNAL LIGHTNING PROTECTION

    783/3 INTERNAL LIGHTNING PROTECTION SYSTEM

    784/2 CATHODIC PROTECTION ANODE MATERIAL

    784/3 CATHODIC PROTECTION, TRANSFORMER RECTIFIER CABINENTS AT ANODE BEDS

    784/6 CATHODIC PROTECTION POLARIZATION PROBE AND REFERENCE ELECTRODE

    799/1 ELECTRICAL RESISTANCE WELDING «PIN-BRAZING»

    799/2 INSTALLATION OF CATHODIC PROTECTION SYSTEM

    799/3 PRECAUTIONS AGAINST PROXIMITY EFFECTS DURING THE CONSTRUCTION PHASE

    799/4 PERMANENT ELECTRICAL EARTHINGS

    799/5 FIELD INSTALLATION AND TESTING OF ELECTRICAL EQUIPMENT

    799/6 CATHODIC PROTECTION COMMISSIONING AND START-UP

    799/7 ACCESS CONTROL SYSTEM

    799/8 SITE SECURITY SYSTEM

Hellenic Gas Transmission System Operator S.A.
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                • DESFA Head Office
                • 357 -359 Mesogeion Av.
                • 152 31 Chalandri
                • Tel: +30 213 0884000
                • Fax: +30 210 6749504
                • Email: desfa@desfa.gr
                Εmergency Call
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