• PVC insulated control cable System 1
PVC insulated control cable

PVC insulated control cable

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I. Product properties:

1. The products shall comply with GB9330-88 national standards.
2. The cable can withstand high voltage test with AC frequency and voltage of 50Hz and 3000V for 5 minutes.
3.After the insulated wire core is soaked for one hour, it can withstand high voltage tests and would not be breakdown.

II. Using characteristics:
1. This product is applied to the conditions with AC rated voltage of 450/750V (Uo / U) or DC 1000V and below to control, monitor loop and to protect wires and other occasions.
2. The long-term maximum operating temperature for the cables should be 70 .
3. The working voltage of cables should be no more than 1.1 times the rated voltage.


Type and Specification:
Type
Description
The main use scope
KVV
Copper core PVC insulated polyethylene sheathed control cable
To be laid indoors, in cable trench, pipelines and fixed places
KVVP
Copper core PVC insulated PVC sheathed braided shield control cable
To be laid indoors, in cable trench, pipelines and other fixed places requiring shielding
KVV22
Copper core PVC insulated PVC sheathed steel armored control cable
To be laid indoors, in cable trench, pipelines, directly buried places and fixed places that can withstand great external forces
KVVR
Copper core PVC insulated PVC sheathed control flexible cable
To be laid in indoor places demanding being soft and mobile and other places
KVVRP
Copper core PVC insulated PVC sheathed braided shield control cable
To be laid in indoor place demanding being soft and mobile and other places requiring shielding
Type
Rated voltage
Conductor Nominal cross-section mm2
0.5
0.75
1.0
1.5
2.5
4
6
10
Number of cores
KVV
KVVP
450/750
2-37
2-14
2-10
KVV22
7-37
4-37
4-14
4-10
KVVR
4-37
KVVRP
4-37
4-37


Q:When I put the laptop into hibernation, the power pack still makes a considerable amount of noise. Since the memory was saved to the hard drive, is it okay to disconnect the power cable? Please note that the battery on the computer is pretty much dead and lasts for about 2 mins tops on normal mode
Once you Hibernate your processor and all internal devices are turned off. So its perfectly alright to remove the power cable and actually that’s why it is designed for. What happens when you hibernate is that all your current data are preserved in your hard-disk (that doesn't need power to hold data) and the computer is turned off. When you on the computer, the operating system will load the saved data giving you the exactly same condition as you had before hibernation. The only difference is that the clock has changed :D About the battery wearing-off issue, batteries always discharge and its a unstoppable effect. Thats normal and it is not because of Hibernation. You can just pull down the screen and the laptop is by default ment to sleep. When you sleep a computer data is not preserved in the hard disk and the system is not completely turned off. Here it runs under extremely low power consumption. Its much faster than waking up from a Hybranate. Time to get running: Startup Hibernate Sleep What’s good? It depends on the time. If you just need to stop work for a while uses the sleep function. Else use the hibernate function. If you install new application or some thing like that - restart the computer.
Q:One day, all of a sudden my amp stopped working. I inspected the battery terminal and noticed their was corrosion on both terminals, cleaned it off, and I inspected the fuse in my positive wire for my amp and noticed the fuse was blown, replaced it and the amp would still not power on, I reinspected the fuse again and it had already blown, I replaced it once more and it did the same thing.
some were in your system the power wire running the amp is hitting ,ground and blowing the fuse,or your amp is crapped out.are the fuses in the amplifier blowing too.i would hook up another power to to amplifier out in the open and see if your having the same problem.if you do its the amplifier if its all good re run another power wire.with a distribution block and go bigger with the wire size,and you can down size the wire from the distribution block to the amplifier.hope this helps.
Q:holes to route the cable through anyone have pics or a website so i can figure it out
ye this is just a common problem on many cars/tucks not just ford. did a custom install on my jeep and had to cut small hole in front left insulation under dash. it came right out into open space under hood and made great place to run wire. if u cant see any holes/spaces to run it then ur gonna have to cut a hole ro have someone do a pro install for you. (ultimately its cheaper easier to diy - need power drill and a big enuf bit to fit wire thru. im sure u can figure it out, just go slow and be carful, mine worked quik and easy and sounds great. good luck w/ all that - hope i helped
Q:Hi well I'm wondering if I can by those 8 pin 6 pin power cords what goes in to your graphics card to plug in to a power socket on the wall. Because I only have 500 wats and at the moment I have the 4850 and already I'm thinking about getting the GTx 295 or something can't remember. But it needs more then 500 wats lmao.I don't wont to upgrade my PSU so will I be able to plug the GTx in to the the wall like as a sprite power cable what goes in to the AC power cable in the wall?BTW I live in Australia so could could you tell me where you are like USA London ect just in case Australia doesn't have it. =)And where can I buy this transfer as well.
You cannot plug it into the wall. Its too sophisticated. A single GTX 295 requires a 700-watt PSU with a 50 Amp 12v rail. Insane power consumption going on here. Upgradable to quad-SLI (woo). If you can afford a GTX why can't you afford the PSU? A PSU regulates your power and protects your equipment from voltage spikes etc. Get the PSU. Whats wrong with your 4850? can your board support a x-fire setup (two 4850s linked?) That'd be cheaper in the long run.
Q:I just bought an electric guitar and an Ibanez Ibz10g 10 watt amplifier. I read the reviews for the amp and someone said it only comes with the power cable.1. Is this true?2. If so will I be able to play with just a power cable or do I have to buy other cables separately?This is probably a stupid question but I seriously have no idea what cables are required for electric guitar. I ordered it from OKorder yesterday and couldn't find any details about what it comes with.
The diagram is the important part, it just explains where the cable goes. Good luck! :)
Q:Hi, Whether it will causes any problem the power and speaker in a same path? I dont have a separate path for speakers to mount it in wall. I plan to use the existing path which is used for other electrical items. If i use the same path for electrical wire and speaker wire, it will damage the speaker or will make any short circuit in the electrical line?Thank you.
You will be fine. Keep in mind that both cables are insulated. You are not going to get a short circuit. I have my speaker wires running next to the electrical cable in several of the rooms in my home and have no issue at all. Hope this will help you out.
Q:Our comcast HD cable box usually has the time and a little red light on front. Its blank and has no power. It is plugged into a power strip that also has the TV and stereo, yet those are working fine. We reset the power strip and still no power to the cable box.Any ideas? Please no rude remarks. Thanks.
Cable boxes can die. I had two Comcast boxes, had an electrical storm and it knocked both of them out for good. Nothing else in the house failed. I called Comcast they sent out a tech with new boxes and that fixed it.
Q:Suppose load is 100KW, length 50m, how to calculate cable size. If we know current Is any easy mathod to calculate cable size.
There are two issues to consider, cable heating and voltage drop. Of the two, voltage drop is by far the easiest. You need to determine what the allowable voltage drop in you cable is. The voltage drop is just I x R where I is the current and R is teh round trip cable resistance. The specification of 100 kW isn't enough. If its a high tension 100 kV line, the current is only 1 amp and a run of 16 AWG wire would deliver about 99,999 volts out of the original 100,000 volts to your load. If its a 100 volt system then a 4 AWG wire would only deliver only 20 volts to the load. The formula for wire resistance (in AWG) is that 10 AWG has 0.001 ohm/ft. Each increase of 1 in the gauge increases resistance by the cube root of 2 (about 25%). You calculate by picking what voltage drop you can live with, for the known current figure the resistance, knowing the length figure the resistance per foot, and then pick the AWG using the above. The second concern is wire heating. Although you could do the heat transfer calculations, instead look up the allowable ampacity for any wire in an electrical engineers or NEC handbook.
Q:What is the concept of power cable middle head? What is the difference between a terminal and a terminal?
Our teacher wants us to do the thermometer, but I do not know what to do. The What materials should I use? The Whether my straw is now pressed and deformed, and adjust the water level, so that the water level is slightly higher than the bottle, with oil pen in the straw
Q:My ISP had installed an outdoor antenna from where a white RJ45 cable runs into a little white box (which is plugged into AC outlet) and from the same white box i do have another RJ45 jack plugged into my laptops NIC card. I came to know that the white ethernet cable is Power over Ethernet cable which carries the power as well as data. I just want to know if i can plug that ethernet directly into my laptops NIC card ? Can i do that will there be any harm to my laptop's NIC ??
As far as I know you don't want to use powered ethernet in something that already has power to it like your NIC card. It's good for powered antennas that remain outside.

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