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SF6 Gas Gas Insulated Substations servicing machinery electronic weighing device

1910.269 - Electric Power Generation, Transmission, and ... test mass shall be rigidly constructed of steel or equivalent material with a mass of 100 kg (220.5 lbm). For work-positioning equipment used by employees weighing more than 140 kg (310 lbm) fully equipped, the test mass shall be increased proportionately (that is, the test mass must equal the mass of the equipped worker divided by 1.4).

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