Safety requirements for the hottest electrical equ
2022-09-28- Detail
Safety requirements for electrical equipment
generally, the round test piece 1 should be tested in the V-shaped groove1 The insulation of electrical equipment and lines must be good. Exposed live conductors should be installed in places that cannot be touched; Otherwise, safety barriers and obvious warning signs must be set
2. Electrical equipment must be equipped with fusible fuse or automatic switch
3. If the metal shell of electrical equipment may be electrified due to insulation damage, protective grounding or neutral connection measures must be taken according to the technical conditions
4. Zhengxiaoxiang, a professor of Qiushi Institute of higher research of Zhejiang University, reported China's latest achievements in this field. The voltage of portable lamps cannot exceed 36 volts. It is difficult to find substitutes in metal containers or in most household appliance utilization fields at present, and it cannot exceed 12 volts in wet places
5. Before using hand-held electric tools such as electric drills and pickaxes, protective grounding or neutral connection measures must be taken
6. Closed electrical equipment shall be used in workplaces where a large amount of steam, gas and dust occur; Explosion proof electrical equipment shall be used in workplaces with explosive gas or dust
7. Electrical equipment and circuits should meet the specifications and should be overhauled regularly
8. The switch of electrical equipment should be managed by a specially assigned person
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