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In the switch and socket wiring, only one wire can be connected to each pile head, and the wire spelling head cannot be spelled on the wiring pile head. Because if two wires are connected to the pile head (switches and socket heads are generally small, the original design only takes one wire), loosening will affect the normal use of the rear switch or socket, and the wiring pile head is prone to heat. The lighter burns the switch and the socket, and the severer one causes a fire.
The installation position of the switch is generally 1.3m from the ground and 15-20cm from the edge of the door frame. It is not convenient to install the switch behind the door due to inconvenient opening. The switch in one unit should be on and off in the same direction.
The socket is generally 30cm from the ground. Toilets, kitchen sockets are set high. Bathrooms should be installed with splash-proof sockets. Sockets on the three sides of the bathtub should not be installed on the top of the bathtub. Gas meters can not be installed within 15CM. (Disposal of burning appliances and electrical equipment is dislocated, and the net distance between them must not be less than 50cm).
When installing the single-phase three-eye socket, facing the socket, the upper one should be connected to the grounding wire, and the lower left eye should be connected to the left by a neutral line, and the right eye should be connected by a line. When installing the two-eye socket, the left side is connected to the neutral line at one end, and the right side is connected at the first line to the wrong side. Otherwise, there may be electric shocks when the shell of the appliance is powered or the shell is energized when the appliance is turned on.
Household appliances generally avoid using two eye sockets. Single-phase three-eye sockets are used in table fans, floor fans, washing machines, and refrigerators. The installation of Yuba and heaters must not use ordinary switches, and switches that match the current of the equipment should be used.
Because the air current of the household air conditioner is large, it will affect other appliances in use at the time of starting, so the air conditioning outlet should set a loop separately from the user power distribution box. The installation height of the socket should be avoided in the position where the air conditioner is introduced into the refrigeration pipe (ie, the position of the reserved hole in the wall), and the socket should be installed about 10 cm above the position of the reserved hole.
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