How to check whether the lamp failure is a wall switch failure first step: an older release fixing screws and remove the wires, and then connect the wires to the new switch corresponding screws. Repeat these steps for the remaining wires. Carefully connect the wires, so that all the bare safely situated underneath the screw head. Then cut off all the excess wire insulation removed. Simple "on / off" switch or three steps to the same switch, but the operation which must be more careful, the living room wall switch to your new switch manufacturer wiring schematic on the package by comparing test wiring. Step 2: If the installation of modern compact linear wall switch, cut the end of each wire, leaving only about 1.3 cm of bare wire. The exposed end of each wire into each hole tight line, and then pull the wire to check if they are completely clamped by light. Need to remind you that if the access junction box wires or insulation are easily damaged or worn, you deal with that part of the circuit for specialized rewiring. If a wall switch using the normal, you can check whether the lamp problem. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Wall switch small detail to ensure safe essential in order to prevent children from electric shock by touching a finger poke power plug or metal eyelets, kitchen wall switch, be sure to use a wall switch insurance bracket with safety sockets; refrigerator should use a separate , three with a protective grounded outlet is prohibited from doing the ground wire to a gas pipe, horizontal wall switch, to avoid serious fire accidents. To ensure the absolute safety of their families, wall switches, sockets hoods should use three sockets, grounding hole protection must not be taken lightly. Single-phase two eye socket wiring requirements are: cross-arranged time "left and right fire", when the vertical arrangement of "lit under zero"; three socket of the zero line and protective grounding wire must not be wrongly. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Public place wall switch _ _ Vicki electrical wall switch by Hebei Tianyi Electric Co. Road Zhiyuan, temper forward. Hebei Tianyi Electric Co., Ltd. (www.tianyidq.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the most influential of the wall switch business, and you leap together to success!