Light, Electric Outlet, Welding Gun Holder and EarthConnection.
照明，过载保护器，焊枪套筒、地接装置。
2
Analysing the accident examples in this paper shows that earthconnection is necessary and some earthed methods exist limitations for fire-proof and explosion-proof.
本文通过对事故实例的分析，指出接地的必要性和几种接地方式在防火、防爆方面的局限性。
3
When the wave Wells up the regulation that the voltage is greater than the gas in charge of, gas in charge of discharge earthconnection too high voltage, Protect the apparatus systematically.