For home decoration, if the switch is not installed properly, it will cause all kinds of troubles in the later use. In serious cases, accidents will occur, so how to connect the two-way switch?
First, turn off all the power circuits and prepare two identical switches; then connect the COM of one switch to the live wire, and the COM of the other switch to the live wire of the electrical appliance; then connect the L1 and L1 of the two switches, L2 and Connect L2, and finally connect the neutral line to the lamp holder.