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Crane Glossary
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OPERATOR'S CAB:
The operator's compartment from which movements of the crane are controlled. To be specified by the manufacturer as open, having only sides or a railing around the operator, or enclosed, complete with roof, windows, etc.
OVERLOAD:
Any load greater than the rated load.
OVERLOAD LIMIT DEVICE:
Mechanical or electrical apparatus that prevents the crane from lifting loads greater than the safe working load.
OVERLOAD PROTECTION (OVERCURRENT):
A device operative on excessive current to cause and maintain the interruption or reduction of current flow to the equipment governed.
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