Switches and sockets form part of a complete circuit. If there is no control of the switch socket, then the fixture is just an ornament and cannot be used. Switches and sockets are like bridges in the circuit system, and are essential equipment for the use of electrical appliances and lamps. What principles should we follow for the installation of switch sockets?
The surface-mounted switch affects the home decoration effect, and there are safety hazards, so the surface-mounted switch is gradually eliminated in the decoration. Instead, it is a concealed switch. The concealed switch is generally 1.2~1.5m away from the ground, and the distance from the door frame is generally 10~20cm. The position of the switch should correspond to the position of the lamp position, and the switch installation height in the same room should be the same. After the switch is installed, it must be checked to see if it is short-circuited. The place where the switch is installed is hot. The electrical switch is energized and tested. It can only be used after it has passed the inspection. It must be avoided.
Installation requirements for the socket:
1. The height of the ground mounted socket is generally 1.5--1.8m, and the concealed socket can not be lower than 0.3m. If you have children at home, use a safety socket with a safety cover to prevent children from getting an electric shock or touching the eye socket of the socket with your fingers.
2. The installation wiring of the single-phase two-hole socket is zero when the hole is vertically arranged and zero when the horizontal arrangement is arranged.
3, single-phase three-hole socket installation wiring, the top hole is the grounding hole, must be firmly connected to the grounding wire, must not be connected, the remaining two holes are left zero right fire, we need to pay attention to the neutral line and ground Lines cannot be misconnected or connected.
4. The distance between the strong electric power and the weak electric socket should be kept above 30cm to avoid tightness.
5, high-power electrical appliances such as air conditioners, refrigerators, etc. should use a separate, protective grounding three-hole socket, as well as a three-hole socket in the kitchen hood, rigorously attach the grounding wire to the gas pipe, so it is very easy Caused a fire accident.
People often say that electric tigers, the existence of electricity can not be seen, the harm of electricity is also very large, the maximum voltage that the human body can withstand is 36 volts, the voltage in family life is greater than this number, so that electricity is brought The dangers exist from time to time, so we must do our best to protect the equipment and switches used in household electricity.
A wire rope clamp (sometimes called a clip) is used to secure the loose end of the loop back to the wire rope. It usually consists of a U-bolt, a forged saddle, and two nuts. Two layers of wire rope are placed on the U-bolts. Then slide the saddle over the rope and attach to the bolts (the saddle includes two holes for the U-bolts). Nuts hold the unit in place. The wire rope is usually terminated using two or more clips depending on the diameter. A 2" (50.8 mm) diameter rope may require as many as eight.
There is an old saying: "A dead horse is without a saddle". This means that when installing the clips, the saddle portion of the assembly should be placed on the load bearing or "live" side of the cable, not the non-load bearing or "live" side of the cable. The "no power" side. According to U.S. Navy Manual S9086-UU-STM-010 Chapter 613R3, Wire and Fiber Ropes and Slings, "This is to protect the live or pressure-bearing end of the rope from pinching and damage. The flat bearing housing and body (saddle-shaped ) extension claws are designed to protect the rope and remain on the live end at all times."[18]
The U.S. Navy and most regulatory agencies do not recommend using such clips as permanent terminals unless regularly inspected and retightened. Encyclopedia website: ewikizh.top
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