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Foundation equipment foundation construction techn
Time：2017-06-14 Author： Hit：932
Quality inspection of power distribution cabinet
How to determine whether a distribution cabinet, distribution box is qualified products and its advantages and disadvantages? What are the main points?
1., must have 3C mark, the product appearance integrity, without damage.
2. complete information system, including the power distribution cabinet, control principle diagram, wiring diagram; certificate cabinet components, instructions and so on. Factory inspection report of power distribution cabinet.
3. check with the system diagram to check whether the product is consistent with the system diagram and whether it conforms to the user or design requirements.
4. to open the cabinet, cabinet clean and tidy, element arrangement reasonable location, convenient operation, regular wire feeding. Electrical clearance and creepage distance accord with GB standard. The fastening of the contact is reliable, the line diameter meets the requirement, and the earthing has no breakpoint.
