Our life is inseparable from terminals to use, but in the construction of buildings, more than lines interrupted, use terminals, in particular encounter high-power appliances, when relatively large current, terminals of the heating effect of working the line, requiring special attention, there is a security risk because anytime, anywhere.
Its exposure was long-term, not short-term. Due to the time constraint, terminal screws on the corrosion, thermal expansion and contraction, will naturally loose, copper oxide, and so on a number of reasons, causing bad fever, accidents. Less then 35 years, much of it after more than 10 years to appear.
Therefore Elinker is to remind the masses of users, should try to reduce the use of terminals in building construction, use other means such as piercing as possible wiring.