crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

crwdns2944351:0crwdnd2944351:0Three-way Switch Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Tao Zhuocrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Tao Zhuo

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crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Introduction
This guide documents the process of replacing a Three-way switch since the three-way switch that allows two switches to control the same device is common in the house. The key difficulty in this guide is distinguished two black wires but totally different usage on the same switch. Please ensure you wear insulated gloves and turn the power off before you process.