Use This product is applied to power or electrical household appliances and a variety of mobile or electrical devices and tools with AC rated voltages of Uo / U 450/750V and below
II. Properties: (I) General rubber sheathed flexible cables: : 1. This product should comply with GB5023-1997 and JB8735-1998 standards. 2. The long-term allowed working temperature of the cable should not exceed 65 ℃; 3. W-type derived cable has the properties of resistance to weather and certain resistance to oil, and suitable to be used outdoors or on the occasion when oil stain is contacted; 4. The finished cable should withstand the voltage experiments stipulated in the following table.
Experimental conditions
Unit
Rated Voltage
300/300 300/500
450/750
Length of the sample
m
Full volume
Full volume
Temperature
℃
Room temperature
Room temperature
Experimental voltage
v
2000
2500
Voltage regulation time
min
5
5
(II) Welding machine cable: 1. This product should comply with GB5023-1997 standard; 2. The long-term allowed working temperature of the cable should not exceed 65 ℃; 3. The finished cable should withstand AC 50Hz water immersion voltage tests stipulated in Table A; 4. The finished cable should withstand AC 50Hz water immersion voltage tests stipulated in Table B; 5. The finished cable should withstand the static curve tests stipulated in Table C.
Table A
Sheath Thickness δ
Test Voltage V
δ≤2.0
6000
2.0<δ≤3.0
7000
2.5<δ≤3.0
8000
3.0<δ≤3.5
10000
Table B
Experimental conditions
Unit
Performance requirements
Minimum sample length
m
10
Minimum water immersion time
h
1
Water temperature
℃
20±
Value of test voltage
v
2000
Minimum voltage regulation time
min
5
Table C
Conductor nominal cross-section
Maximum distance
Conductor nominal cross-section
Maximum distance
10
45
70
55
16
45
95
60
25
45
120
65
35
50
150
70
50
50
185
75
(III) Type and description of the rubber-sheathed cable:
Type
Description
Use
YQ,YQW
Light rubber-sheathed flexible cable
For a variety of mobile electrical equipment and tools
YZ,YZW
Medium-sized rubber-sheathed flexible cable
YC,YCW
Heavy rubber-sheathed flexible cable
YH
Natural sheathed welding machine cable
For connecting welding machine and electrode holder cable
YHF
Neoprene adhesive or other equivalent Synthetic adhesive flexible sheathed welding machine cable
The production scope of rubber electric cable:
Type
Rated voltage
Number of cores
Conductor nominal cross-section
YQ YQW
300/500
2、3
0.3-0.5
YZ YZW
450/750
2、3、4、5
0.75-6
YC YCW
450/750
1
1.5-400
2
1.5-95
3、4
1.5-105
5
1.5-25
YH YHW
200
1
10-120
Note: According to users' needs, we can also produce products out of the above specifications
(IV) General rubber sheathed flexible cable long-term allowed current carrying capacity Working temperature of conducting wire: 65 ℃ ambient temperature: 25 ℃
Cross section of the conducting wire
Air laying long-term allowed current carrying capacity