PVC INSULATED CABLE（WIRE）

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It application to electrical appliance, instrument and telecom device with rated voltage up to and including 450/750 volts.

　　The main features of the flame retardant PVC cable or wire is hard to get fire or that the continuous burning of cables is very limited when it is on fire. It applies to the places with special demands for flame retardant property. Flame retardant cable is classified as class A,B or C. Amongst the 3 class, class A is best, while C worst.

　　Fire-resistance cable can operate normally for some time when it is burning except that it can transmit electrical power under normal condition. It is used in the places with special demands for fire resistance property.

The Main Feature of Cable(wire)

　　Rated voltage Uo/U is 450/750 volt, 300/500 volt or 300/300 volt.

　　Permissible continuous working temperature of cable conductor

　　——for type of cable RV-105 and BV-105, the temp-erature should be less than 105℃

　　——for others, the temperature should be less than 70℃.

　　Ambient temperature should be not less than 0℃, and permissible bending radius of cable for fixed connecting should be as follows during installation.

　　——for O.D. less than 25 millimeter, equal to or greater than 4 time O.D.

　　——for O.D. less than 25 millimeter, equal to or greater than 6 time O.D.

　　Flame retardant cable should pass the test of bunched cables or wires under fire conditions which is described in the standards of GB/T 18380.3-2001.

　　 Fire resistance cable should pass the test of fire resistance stipulated in the standards of GB/T 19216.21-2003.

Q:I'm only asking this on here out of interest, this is not homework. I want to know how to calculate exact distances between to poles connected at the top by a cable. The length or height of the objects are not important to me, but if you must use an example please do so. So I want to know what formulas to use, what variables in those formulas mean, and how the slope of the cable will affect the distance. For example, if two poles have a distance between them of 0, and the cable extends 100, it would not mean that the drop of the cable (called a catenary?) would be 50, (it's misleading because you would think that since the distance between the two poles is 0, the cable would drop 50 and rise 50. But this is not taking into account the slope it has to take at the bottom of the catenary. It must lose some drop (perhaps to 48 or 49) in order to bend and rise back up...I want this out of my head, it's bugging me that I can't figure it out.: So you want the length along the cable? I honestly don't know how to compute the arc length of a catenary, but I'm sure that the power company knows how to do it because they need to know how much cable it will take to string up a whole line of poles. Your example doesn't work only because you impose a physically impossible constraint (zero distance between the poles - the poles have no thickness) and then try to impose physical reality (the cable can't bend instantaneously) on the problem. In the physically unrealizable problem, yes the cable does drop 50 ft because it is infinitely bendable. You're dealing with hyperbolic sines and cosines. Good luck

Q:I mean like the power connector cables. All power supplys have the same cables to supply power from the PSU to components right?: not all PSUs have the same cables but they do all come with the same standard connectors. for example all PSUs regardless of wattage and brand will have the 4 pin molex conectors but not all will have the 6 pin and the 8 pin PCIe connectors and the higher end models will also come with 2 CPU 4 pin power connectors. which PSU you get depends on wattage demand of your system, amperage demand if you have a video card requireing extra power and the number of molex/sata power cables and PCIe 6/8 pin connectors you need.

Q:if we provide power through power cable will there be need of extra capacitor near load?: Yes, if you are talking about a bypass capacitor. Electronics always requires a bypass capacitor near the circuit/IC. Having one at the end of a cable means the cable inductance is in series, and the impedance seen by the IC power supply leads is inductive and high instead of the needed low impedance that a local bypass cap provides.

Q:What is the meaning of the cable 3 * 1 * 0.8?: Need to choose according to specific circumstances. The main difference between single and multi-core is the flexibility of the wire. In fact the two do not exist which good question, but the use of the environment is not the same. Home decoration: First, the lighting line, can be used 1.5 single strand copper wire. . 2P (inclusive) or more of the air-conditioning, that is, hot water heater, Yuba must use 4 square double strand copper wire; Third, the wall buried the best choice for single wire copper wire, you can choose according to the need for 4 square Mm, 2.5 square millimeters, 1.5 square millimeters and other specifications (usually 2.5 square millimeters with the most). Fourth, the remaining lines, are using ordinary 2.5 pairs of copper wire can be.

Q:power cables for 3 phase wire: Three wire, single phase, 120V uses: line (usually black), neutral (always white), and ground (green or green with yellow stripe). Three wire extension cords should be sized for the estimated load in Watts, and the length of the cord. Armored cable for interior wiring must be #AWG14 minimum. Add details for a better answer.

Q:a usb cable has 5 volts and 2.5 watts. so can it still power if it has 5 volts and 1.5 watts: Uh...YES! The voltage matches and the current will be regulated by the resistance of the device being powered. It will work fine.

Q:Power cable yjv22-10kv-3 * 50 what it means: Yj is cross-linked polyethylene insulation, v PVC sheathed 22 is double steel tape armored, voltage 10KV, 50 square three-core copper cable

Q:Opened the inside. Next to fuse, it says 8A 125VPower cable says it is 7A 125Vdevice doesn't not work. Could this be the problem?Not sure if the power cable is the original.: Did you check to see if the fuse was blown? Non- operation can be caused by fuse deterioration over time, in relatively heavy current situations. However usually, a blown fuse is indicative of more serious problems, which will not be rectified by replacing a blown fuse. A replacement would just blow again. The power cord/ fuse markings are irrelevant, they're fine. They are there to ensure any replacements are fit for the purpose they were intended for.

Q:This is a clock/phone I was using as a kid. Found it in my basement, and I would like to use it now. I no longer have the original power cable, that's the one needed for the left side. They both look similar, but are not the same. The right side is for the telephone cable. I have no idea what the left's called or where to buy it? I'd appreciate some help if anyone knows what its called, Thanks.: Give them a try. This isn't a common power cord that can be purchased locally. However you may find a used one on OKorder. You can do an OKorder search using the model number of the unit.

Q:Cannot find a path to send the power cable for the amplifier through: The firewall is the bulkhead between the Passenger compartment and the engine bay. Look for a rubber grommet in the firewall/bulkhead that has existing wires going through it and use this. Some firewalls have grommets that you can use to pass your power cable through from the battery. Remember to put an in line fuse on th live cable of the correct rating.

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