How much length does the USB extension line have to add power? How long can I add power?
This is no specific value it is also the USB cable, there are twenty or thirty kinds of so many on the market, the thickness of different
Direct protection of the cable in the following ways: cable laying with fine soil or sand cover the cable 100-150mm, the upper brick or cement board cover, the upper and lower layers of the gap is staggered, and then fill the tamping (backfill no miscellaneous Objects and lumps), the protection tube is generally used in the cable crossing, into the ground and the location and through the wall when the need for cable protection tube.
There must be a difference ah, use different, the characteristics of the material will have to make the appropriate adjustments.
You are not asking the phone thing - this cable or accessories have not yet been certified how to do a genuine data line which has a certification chip, if the chip is broken, or the use of the data is not genuine, it will not be certified. Do not connect the charger, then connect the computer will have this prompt, but if the identification is only connected to the charger to charge, not to do data synchronization and the like, it may not prompt. You solve the problem as follows: . the USB adapter into the power . the Lightning cable into the iPhone. close the warning message . unlock the iPhone. continue to close any warning message . keep the screen lit . pull Out of the cottage Lightning cable . re-insert the iPhone. close the warning message . this time the cottage Lightning cable should be able to properly charge, after 10 steps, cottage cable to normal ios7 equipment charge.
