Place | Component | Quantity | 220 V price | 12 V price | Component | Quantity | 220 V price | 12 V price |

Loads | Lamp | 100 | 6 X | 2 X | Lamp holder | 100 | 4 X | X |

Wire unit | 10 m | 2 X | X | Panel board | 1 | 200 X | 20 X | |

Rectifier | 1 | 100 X | 0 X | Signal system | 1 | 5 X | 5 X | |

Circuit breaker | 10 | 10 X | 2 X | Switch | 10 | 3 X | 3 X | |

Fuse | 10 | 5 X | X | Relay | 10 | 30 X | 30 X | |

Earthing | 1 | 20 X | 0 X | Metering | 1 | 40 X | 40 X | |

Stations | Converter | 1 | 1000 X | 0 X | Rectifier | 6 | 100 X | 0 X |

Internal connections | 3 | 100 X | 0 X | External connections | 3 | 200 X | 0 X | |

Control room | 1 | 300 X | 250 X | Control circuits | 1 | 120 X | 50 X | |

Protection schemes | 1 | 200 X | 150 X | Signaling | 1 | 30 X | 30 X | |

Coupling | Wires | 100 m | 15 X | 0 X | Towers | 2 | 200 X | 0 X |

Protection schemes | 1 | 100 X | 0 X | Signaling | 1 | 20 X | 0 X | |

Maintenance | Major | 1 | 1000 X | 100 X | routine | 2 | 100 X | 5 X |