Is there a socket on a socket?
Also pay attention to the two sockets in the relative diameter of the smaller one of the maximum current capacity, do not overload use, because the socket cable safety load is a certain,
plug the place is bound to exist contact resistance, if the use of contact resistance is too large Will also cause fever, which will give security to bring security risks,
f overloaded use will cause the wire to heat, reduce insulation, can easily lead to short circuit or fire accident, plus you are using the two socket plug extension to use,
Mainly to see whether the plug between the two plugs are fast and reliable, loose plug not only affect the use and also easy to cause personal shock,
