Working load

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working load

[′wərk·iŋ ‚lōd]
The maximum load that any structural member is designed to support.

Working load

The normal dead, live, wind, and earthquake load that a structure is required to support in service. Also called the service load.


1. A force, or system of forces, carried by a structure, or a part of the structure.
2. Any device or piece of electric equipment that receives electric power.
3. The power delivered to such a device or piece of equipment.
4. The amount of heat per unit time imposed on a refrigeration system; the required rate of heat removal.
References in periodicals archive ?
The results showed a lower safe working load capacity than what was previously published by the industry.
STAHL CraneSystems has designed and built a unique test rig, where cranes up to a Safe Working Load (SWL) of 120 tons (proof load of 150 tons) and a span of 25 m can be tested in the future.
The model regulation required that the total, or aggregate, of the working load limit (WLL) of all tie-downs must not be less than half the weight of the cargo it secures.