Q:Decoration when the purchase of water pipes, wires and other items included in the account

KVV is the control cable, generally do industrial control; and RVS is twisted pair, generally used for weak system, to eliminate the interference requirements of the occasion, such as two-wire bus system, specifically, the electrical fire bus more Such as RS485 bus and so on.

Q:What are the varieties of wire and cable (detailed point)

(The difference between the two cables: WDZ and WDZC are the combustion characteristics of the cable, both halogen-free low smoke flame retardant cable, but the former is a single vertical flame retardant test, which is bundled combustion C class flame retardant Test, but the flame retardant performance requirements are not the same. The meaning of the letter: W refers to the halogen-free; D refers to the low smoke; Z refers to the flame retardant WDZ is halogen-free low smoke flame retardant jacket power cable. WDZC refers to halogen-free low smoke C-class flame retardant reference )

Q:The data line is my online to buy the extension of the line, has been able to use, and today suddenly can not charge the electricity, and pop up the tips, which is why? More

Power lines tied together, usb line bundled together, high and low pressure apart. Tie the tie on the line

Q:Apple phone display cable or accessories not certified how to do

The control cable transfers the electrical energy from the power distribution point to the power supply lines of the various electrical equipment The rated voltage of the power cable is generally 06 / 1kV and above, the control cable is mainly 450 / 750V The same specifications of the power cable and control cable in the production, the power cable insulation and sheath thickness than the control cable thick

Q:I would like to ask my new workshop power consumption of about 500KW, injection molding machine, 60KW . 40KW . 20KW . the other 20KW, how much should the wire? Respectively how to use lines and switches more

There must be no room for consultation I did not have to do for seven years lazy they want to do nothing irresponsible

Q:Do not know why not mislead. The The The The The Fire resistance is IECGBBS6387. GB is the general principle of flame retardant and fire resistant wire and cable, quoted the above criteria...........................

Directly to find Dell customer service bar, the general warranty period are free replacement, unless the insurance of the. You can extend the warranty period, it seems you like to do the experiment.

Q:IPadmini. The latest version 7.1.1 up in the morning to see the non-stop display this cable is not certified does not support this feature. The The Charger original. Not on the computer charge. The Ask God to answer more

The problem lies in the charger between the machine, IPAD charging is to a charging protocol to complete, when the IPAD did not receive the agreement signal will be prompted: do not support this accessory, Apple's products have charging protocol, charging Is through the data line in the two lines and IPAD transmission charging protocol signal when ipad received the charging protocol signal after the machine internal charging circuit began to open the internal charging circuit to charge, the problem is to accept the charge signal is not so prompted not to Support, change the line to try

Q:What is the difference between the WDZ wire and cable, the ZR wire cable and the NH wire and cable, and what kind of wire and cable should be used?

Make a mark, such as red set into the bottom for a color in a layer, or you can draw a few plans, water and electricity is a strong power is a weak and one, the label can do a good job

Q:Rt, the charger did not change, has been no problem before, today just plugged into the charger, the results appear as if the problem, before the out of this problem, and now only ipad power off after the power can not be charged, and ipad start , Then immediately prompted the title, can not charge more

At the same time, security monitoring line itself is a weak line

Q:Apple 6 Charging Why always show this cable has not yet been certified

Cable and cable distinction In fact, "wire" and "cable" and there is no strict boundaries