introduce
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I. Product Properties:
1. This Product should comply with GB/T12706-2002 national standard.
2. At room temperature, the cable can withstand high voltage test with AC frequency and voltage of 50Hz and 3.5kV for 5 minutes and can not be breakdown.
3. 20 conductor DC resistance rate: Copper core 0.017241mm2/mo Aluminum Core 0.028mm2/m.
4. Combustion performance (flame retardant cable) should be tested in accordance with GB/T18380-2001 standard.
II. Use characteristics:
1. This product should be applied to transmission and distribution lines with AC rated voltage of 0.6/1kV (Uo / U) and below.
2. The maximum long-term working temperature of cable conductor should be 70 .
3. The bending radius of armored cable should be no less than 20 times the cable diameter.
4. The laying temperature should be no less than 0 .
5. When short circuit occurs, the maximum temperature of the conductor should not exceed 160 , and the lasting time of the conductor should be no more than 5 seconds.
III. Type and description:
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Type
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Description
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Copper core
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Aluminum core
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VV
VY
ZR-VV
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VLV
VLY
ZR-VLV
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PVC insulated PVC sheathed power cable
PVC insulated polyethylene sheathed power cable
Flame-retardant PVC insulated PVC sheathed power cable
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VV22
ZR-VV22
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VLV22
ZR-VLV22
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PVC insulated steel armored PVC sheathed power cable
Flame-retardant PVC insulated steel armored PVC sheathed power cable
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VV23
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VLV23
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PVC insulated steel armored polyethylene sheathed power cable
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Production scope:
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Type
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Conductor nominal cross section
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Single core
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Double cores
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Three cores
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3+1 cores
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four cores
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five cores
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4+1 cores
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3+2 cores
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Cu Copper core
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VV
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1.5-1000
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1.5-185
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1.5-300
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4-300
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4-240
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1.5-185
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4-185
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4-185
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VY
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1.5-1000
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1.5-185
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1.5-300
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4-300
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4-240
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1.5-185
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4-185
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4-185
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VV22
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10-1000
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4-185
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4-300
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4-300
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4-240
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4-185
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4-185
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4-185
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VV23
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10-1000
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4-185
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4-300
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4-300
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4-240
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4-185
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4-185
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4-185
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Aluminum core
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VLV
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2.5-1000
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2.5-185
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2.5-300
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4-300
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4-240
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2.5-185
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4-185
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4-185
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VLY
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2.5-1000
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2.5-185
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2.5-300
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4-300
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4-240
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2.5-185
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4-185
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4-185
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VLV22
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10-1000
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4-185
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4-300
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4-300
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4-240
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4-185
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4-185
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4-185
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VLV23
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10-1000
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4-185
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4-300
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4-300
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4-240
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4-185
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4-185
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4-185
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The cross-section of the fourth core of 1 +3 cable, the fifth core of 4 +1 cable, the fourth and fifth cores of 3 +2 cable
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Main wire core
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Neutral or grounding line wire core
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Main wire core
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Neutral or grounding line wire core
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Main wire core
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Neutral or grounding line wire core
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4
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2.5
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25
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16
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95
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50
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6
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4
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35
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16
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120
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70
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10
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6
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50
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25
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150
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70
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16
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10
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70
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35
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185
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95
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