The cost of cables is calculated as the square X1.83 = the weight of copper x the current price of copper + the price of equipment (weight x 0.4 yuan/kg) = the cost price + 10% of the processing fee cable price = manufacturing material cost + fixed fee + Taxes + operating expenses + profits Manufacturing material costs = material costs * (1 + material consumption) (material cost is calculated theoretically)
The fixed costs vary according to the situation of each company and generally include production wages, management wages, utility bills, repairs, depreciation, rent, transportation costs. Common faults in control cable lines include mechanical damage, insulation damage, insulation and moisture, and insulation. Aging, deterioration, overvoltage, cable overheating, etc. When the above fault occurs on the line, the power of the faulty cable should be cut off, the fault point must be found, the fault must be checked and analyzed, and then the repair and test should be carried out. The cut should be removed and the power supply can be restored after the fault is removed.
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