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Replace a fuse only with a fuse identical in type, voltage rating, and current rating as specified by the back panel fuse rating label or the Fluke 77 Series III Service Manual. Inserting the wrong replacement fuse could create a fire hazard.

Locate the fuses near the bottom left corner inside the device.

Take note of which fuses belong in which location before removal. They are NOT interchangeable.

The .440 Amp fuse is located in the upper left hand fuse holder.

The 11 Amp fuse is located in the lower right hand fuse holder.

Lift the rounded edge of the fuse with one finger until that side is completely out of its holder.

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