Home > categories > Electrical Equipment & Supplies > Other Wires, Cables & Cable Assemblies > Where should the inner diameter of the plastic tube of the cable be at least the number of times the outer diameter of the cable?
Question:

Where should the inner diameter of the plastic tube of the cable be at least the number of times the outer diameter of the cable?

IPhone mobile phone data cable can not charge the power, the above shows the cable or accessories not certified can not work with the iPhone,

Answer:

Data line pregnant, I also appeared once for a data line on it.
Not allowed to slot the proposal with PVC gusset which is only 1 cm thick only open protective layer on it! The water pipe is not enough unless you have a thickened wall outside the decoration.
Wiring room refers to the distribution of the weak floor of the room, the weak point refers to the building weak vertical pipe
You are not very clear: how to start again? 300μF capacitor is normal? If the sound is normal (very small) after no-load start, the cable and the motor temperature are normal, the coil can be judged to be normal

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