1E Class K3 Category Nuclear Power Station Used Signal Cable with Voltage up to 0.6/1kV

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100 m
Supply Capability:
100000 m/month

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    This  product is used in the 1E class K3 category nuclear power station  signal control system outside the secure covering with voltage up to  0.6/1kV. In which system it can insure stop of the reactor under the  earthquake load, separation of the secure cover, cooling of the center  of reactor emergently, heat vent in the reactor, and can prevent the  radioactive particle to enter the surrounding environment.



Rated voltage


Number of core

Nominal cross-section of the conductor



PYJYP3  K3、PYJYP2/23  K3

PYJYP3/23  K3







Main technical parameter

1、Burning performance

(1)Halogen gas emission test: pH value≥4.3,conductivity≤10μS/mm;

(2)smoke density test, light transparent rate≥60%;

(3)Flame retardant test, cable can pass the bundle burning test regulated in IEC60332-3和GB/T18380.3.

(4)Insulated core can pass the single vertical burning test regulated in GB/T18380.1.

(5)As per NES713, the toxicity index shall less than 2.5.

(6)Thermal life assess test, cable can pass the 40 years thermal life assess test as per IEC60216 and IEEE383.

2、Electrical performance

(1)D.C resistance of the conductor can comply with stipulation in GB/T3956.

(2)Voltage test

Category of test

A.C voltage


Test time


core to core

core to the earth




(3)20℃时不小于3000MΩ·km;60℃时不小于30MΩ·km;90℃时不小于3MΩ·km。Insulating resistance constant Ki: will not exceed 3000MΩ·km at 20℃, will not exceed 30MΩ·km at 60℃, will not exceed 3MΩ·km at 90℃.


1、Cable is halogen free and low smoke, and so has environment protection and sanitary characteristic;

2、It adopts the dual layer insulation structure;

3、Cable has a large light transparent rate;

4、Cable has excellent flame retardant performance;

5、Cable has a long usage life, its design and actual working life will not less than 40 years;

6、Cable has excellent heat aging resistant and weather aging performance;

7、Cable has excellent high and low temperature insulation performance;

8、Cable has good content compatibility and rip resistant.

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its a transformer to cut the mains plug voltage down to the same voltage as the battery which will be around 16volts to 20 volts for a laptop,the desktop PC will have the same transformer built into the tower casing beside the fan,but you just cannot see it, and there will be a voltage selector switch for the country you are using it in ie-UK =220-240volts, USA=110 volts or similar,both the laptops and desktops use the same internal operating low voltages,and mains voltage would fry everything inside ,that's why they are fitted with the transformers.
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OKorder or OKorder
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A thick power wire that carries a lot of current or power has anEMF - electro magnetic field around it. This field can will pass into the RCA cables - the cables that carry sound from headunit to the amp. You want the RCA cables to be as 'clean' as they can be for the best sound signal and quality. This field will interfere with the RCA's, especially low quality cheap RCA's. causing interference and poor sound quality.
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The buzzing noise is not that of a Laptop its rather that of the Power adapter of the Laptop so there is nothing to worry about it you laptop is as good as it can be. But i would suggest not to use that adapter for a longer time because it may cause trouble in voltage fluctuations .
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as long as either one is shielded or insulated.
Too hot means the current is very high. Probably in excess of 200 amps. I suspect there is a short in the amp, specially if you tried to connect it hot and drew a spark. That will kill a lot of electronics. .
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Outdated CPU, awful video card. Expect to run everything recent on low, and not comfortably. Also, this is obviously prebuilt, and there's no mention of a wifi card or usb wifi dongle so without either, no you cannot do wifi with this computer. As for supporting the monitor, the video card has connectors for VGA and DVI, and most old and modern monitors have those connectors and wires for it so you should be fine monitor-wise.

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