2 * KVV22-450 / 750V4 * 25FC What is the cable?
Speaking of communication, the jar to see more of a variety of elite experts in the jar of the leaders speak their minds, no how to see the ordinary people to discuss the bottom line of things
Give you the authority of the answer, the ordinary USB charger can not charge iphone. that is, according to the provisions of the voltage only to the data line power supply and the bottom line connected to the 5v voltage is not enough, this is Apple in order to protect their batteries and take Special measures. If you have to restructuring, you must add two different voltage to the data side.
Hello, like you said this situation, it is estimated that no less effort to view. There is a key you may have overlooked, you say is the line tube? What? Conduit? Water pipe What position? There are several possibilities, water pipes do not leak, may be seepage, the need to suppress the test is very tight, must be in the absence of air to try out the case. In one may be the water layer to seepage to the trench, pay attention to the infiltration, not leakage! There is also one may be outdoor leakage, such as rain, etc., outdoor leakage to the line groove or wire (here refers to the tube), and gradually leak. Requires on-site investigation or even bad investigation to decide or cure.
