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Tower crane electrical safety
2021-11-29
According to the requirements of "Building Construction Safety Inspection Standard" (JGJ59-99), the special switch box of the tower crane must also meet the requirements of "one machine, one gate, one leakage, one box", and the tripping rated operating current of the leakage protector should not be greater than 30mA, The rated operating time does not exceed 0.1s. The switchboard in the cab must not be exposed. The electrical cabinet should be intact, closed tightly, door locks are complete, the electrical components in the cabinet should be intact, the wiring should be clear, the operation and control mechanism should be sensitive and reliable, and the limit switches should have good performance. Professional electricians should be regularly arranged for inspection and maintenance.
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