A properly calibrated tool must be used when torqueing terminal connections. (D) Torque. Where tightening torque values are indicated on equipment or installation instructions, a calibrated torque tool must be used to achieve the indicated torque value, unless the equipment manufacturer provides an alternative method of achieving the required torque (Fig. 2). Author’s comments: Conductors must terminate in devices that have been properly tightened in accordance with the ...

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