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You have been asked to replace a switch in a wiring closet with an upgraded switch. Unexpectedly, it takes you about 2 hours using a tone generator to determine where the cables map to in the old switch before you can uninstall it. Which step in the best practice methodology to resolve problems is missing from this scenario and could have saved 2 hours?

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You have been asked to replace a switch in a wiring closet with an upgraded switch. Unexpectedly, it takes you about 2 hours using a tone generator to determine where the cables map to in the old switch before you can uninstall it. Which step in the best practice methodology to resolve problems is missing from this scenario and could have saved 2 hours?






 
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