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Since Jeanne just punched a D-shaped KO, we can assume that the outlet box of the installation she's working on has self contained cable clamps.

What is a D-shaped KO?

A D-shaped KO is abbreviation for D-shaped Knockout and it can be defined as a type of punching tool that is designed and developed for cutting through metal sheets, so as to create holes for the installation of switches and instruments.

In this scenario, we can infer and logically conclude that the outlet box of the installation she's working on has self contained cable clamps.

Read more on punching tools here: https://brainly.com/question/2519398

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