Essential Safety System Electronic Accounting

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Product Description:

This product is suitable for AC rated voltage 450/750V and below 1kV special circumstances and the use of automated instrumentation
control and protect the loop line with the nature of the security system circuit.Rated Voltage Uo/U is 300/500V and below, XLPE insulated 0.6/1kV occasions.

Allowed Continuous working temperature of conductor is:

PVC insulated cable is :70 ,90 ;

PE insulated cable is :70 ;

XLPE insulated cable is :90 .

Installation temperature of cable should be no less than 0 . and working circumstance temperature is -40 +50 .

Allowed bending radius is:
Cable with copper tape screen should be no less than 12 times of external diameter of cable,while other
cable should be no less than 6 times of external diameter of cable.

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Q:Home improvement, the wire specifications generally how to choose? Lighting, sockets, air conditioning with a few square lines? Ground specifications can be lighter than the line of fire, zero line?
You can use, but look at your LCD TV there is no DVI port or HDMI port, the best use of HDMI port or DVI port, the specific look at your TV size, if your TV support 1080P, it is best to use HDMI or D fans ridicule guest Piji nine Depends on the end VI, because the VGA can only 1080I can not 1080P, with HDMI or DVI display will be better.
Q:Will the computer master, external DVD burner how external power supply, please click details. Thank you!
You can shop on the ground floor of a layer of waterproof carpet (that is, the rural common 'kang seats'), the wire shop in the following, at the desk to stay a outlet hole, and the jack or electrical connection. Carpet can be bought in the hardware building materials store, as the traces of tape, you can go to the big supermarket to buy a special scrub, ask the salesman on the line. Wish you the best at work
Q:With a i3-2100 desktop computer about how much money. To have a separate graphics card. Give a configuration alone, no more than 4000
Yellow is the ground, the other two casually, mainly to see when you plug there is the line of fire, no effect.
Q:PVC pipe line 6 points and 4 points which big ah?
The bearing capacity of the square millimeter in the wire decreases with the increase of the wire diameter, for example, 1 mm square meter
Q:Cable zc_y v22 what does it mean
If you put seven 1.0 square conductor twisted together, as a power can of course. But you twisted the copper wire, how to solve the insulation? In addition, the manual twist, then there is the problem of density, can not be a bit twisted copper wire twisted round? And if you put the seven core core is not peeling, directly twisted together, then, when the wire when the core heat how you solve. So, do not use this line to do home improvement. But if you want to use this line to do the lamp line or can.
Q:20 tons of double beam traffic acceptance standards and content which
This phenomenon is generally the audio input has an AC signal amplified by the amplifier after the results, supplies a little short and good quality of the input of the smooth exchange of spring spring to help Tong burst Kun line test, if not improved that is the receiver problem.
Q:The difference between power cable and overhead cable
. the power cable occupies less. Generally buried in the soil or laying in the room, the channel, the tunnel, the line between the insulation distance is small, no tower, covers an area, basically does not occupy the ground space. The overhead cable is the opposite. . power cable reliability. Affected by climatic conditions and the surrounding environment, transmission performance is stable, high reliability. . the power cable has to ultra-high pressure, large capacity development of more favorable conditions, such as low temperature, superconducting power cables. . the power cable distribution capacitor larger. Overhead cable is the opposite . the power cable maintenance work less overhead cable is the opposite . the power cable electric shock is unlikely. The overhead cable is the opposite
Q:Power cable casing buried what are the requirements
1 It is advisable to select the route to lay the cable in a suitable way: 1 Avoid the area where the corrosion of the acid, alkali, or stray current is seriously affected by electrochemical corrosion
Q:What is the fire wire pipe laying? What is the galvanized steel pipe?
Look at the computer and television, respectively, what interface are generally computer and television are more VGA, followed by HDMI, the new out there will be DisplayPort connection at both ends of the wire type is also very rich, VGA-VGA, HDMI-HDMI, etc. also Adapter cable, such as DVI to VGA and one according to the computer and television interface to select the wire, hard link established, win7 will automatically identify, I use the flagship version, feel better than XP. You can choose to clone the screen or expand the desktop and other operations, computer monitors Internet TV while watching movies, like.
Q:What is the warranty period for wire and cable?
General cable shelf life is 10 years, look at the jacket and the insulation with or without cracks, shake the insulation resistance of the general do not breakdown can be used, but the best people to do some pressure test. The withstand voltage test must have been used.

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