Ground wire
ПЗ
DESIGNATION
Ground wire is designed for grounding and advance protection from short-circuit currents.
ARRANGEMENT
CONDUCTOR:copper, stranded.
INSULATION:transparent polyvinylchloride compound
NUMBER OF CONDUCTORS:1
CONDUCTORAREA, mm²:10; 16; 25; 35; 50; 70; 95; 120.
Direct-current electrical resistance of conductorsat a temperature of +20°С shall correspond to the details given in the table below:
|
Rated conductor area, mm² |
Direct-current electrical resistance of conductors at a temperature of +20°С for 1 km of conductor, Ω, not more |
|
10.0 |
1.910 |
|
16.0 |
1.210 |
|
25.0 |
0.78 |
|
35.0 |
0.554 |
|
50.0 |
0.386 |
|
70.0 |
0.272 |
|
95.0 |
0.206 |
|
120.0 |
0.162 |
Insulation shall be shock-resistant at a temperature of -40±2°С.
Wire shall be resistant to bending.
Insulation shall beresistant tothe effect of ambient temperature up to +60°С.
Insulation shall beresistant tothe effect of low ambient temperature up to -40°С.
Wire shall not spread combustion when single laid.
Wire is designed for operation at ambient temperatures from -40°С to +60°С.
Minimal operating bend radius shall not be less than five wire diameters for wires with conductor area up to 50 mm2and ten diameters - conductor area of 70mm2 and over.
Factory wire length shall be not less than 100 m.
Operational life- not less than 5 years.
Regulations: TechnicalSpecificationsof The Republic of Belarus 500017371.035-2006