Many who thought the connecting cable does not require special techniques .... It is not entirely correct. Ties on the cable connection without auxiliary components such as socket / clamp requires very little knot that ties the strong and not easily separated if the cable is drawn.
Examples of how to connect the cable that takes less true:
Examples of how to connect the cable that takes less true:
Images below are shown the direct cable twist to dial.
As a result, the bond is not strong if the cable is pulled to one another.
It's dangerous for the electricity!