Whether or not the installation of electrical facilities is related to the safety of life and property of the owner, the construction party must be very cautious in construction and must strictly follow the regulations. The inspector of the reporters and the Qingdao People's Decoration Supervision Center found that during the inspection of the owner's home inspection, the acceptance of the electrical facilities of some real estate developments still occurred during the inspection of the electrical facilities. For example, the socket installation was not standardized, the electrical wiring was incorrectly connected, and the number of outlets was incorrect. Insufficient and so on. The inspector reminds that the inspection of the ancillary facilities in the new house, especially the electrical lines, must be patient and meticulous. Once problems are found, they must be promptly rectified.
â—† socket is not enough trouble
After finishing the renovation and just staying for a week, Ms. Lu discovered that her socket was less secure. Now she wants to use vacuum cleaners for special troubles. It is always inconvenient for the patch panels. Only one socket was designed next to the gas stove in the kitchen, but many household appliances were added in the future, so that one must be used and one must be used. Ms. Lu complained, "If you install more outlets, then you'll be fine."
According to Yu Bo, director of the Qingdao People's Decoration Supervision Center, according to the "Shandong Provincial Housing Design Standards", no fewer than 2 sets of sockets shall be provided for the room, bedroom and restaurant; the kitchen shall be provided with no less than 3 sets of sockets; Set up at least one set of splash-proof safety sockets. These sockets should already be in place when the rough room is delivered to the owner, so that the owner can use it later.
During the renovation phase, when the owner is carrying out hydropower reforms, he should add outlets according to his actual needs. The layout of strong and weak electrical sockets for court decoration is generally based on the floor layout of furniture, that is, the placement of furniture affects the layout of potentials. For example, if a nightstand or desk phone is to be placed on the nightstand, there must be a strong electrical outlet in the corresponding position. In the potential design of the bathroom, it is necessary to design splashproof sockets, which are generally used for razors and hair dryers.
â—†The outlet is missing the zero line
Ms. Wei’s new house has been renovated and ready for occupancy, but she was surprised that the circuit of the new house still had problems. In Ms. Wei’s new house, inspector Miao Gong found that the distribution box did not have any signs. Miao workers told reporters by marking them on the wall with chalk: “The switches in the distribution box should have obvious signs to facilitate the use of the owners. If there is no sign or identification is not clear, they must be corrected immediately.â€
The inspection of the line, in addition to the naked eye, is less than a professional tool. Miao workers brought a "secret weapon" on the same day - test sockets, all the circuit sequence problems, try out with the test socket. “Don't underestimate this socket, but it is a 'safety gatekeeper' of the line.†Miao said while pulling out the test socket from the toolbox. The test socket is mainly used to detect the circuit line sequence, test whether the house's line has been energized, whether the ground line is connected, whether the zero line and the ground line are connected correctly. There are three indicators on the socket, indicating neutral, ground, and fire wires from left to right. When the two right lights are on at the same time, it means that the circuit is normal. When all three lights are off, it means there is no phase line in the circuit; only the middle light is on when the ground is missing; only the right light is on, it means there is no zero. line.
In the kitchen, Miaogong used the test socket to find out the root "ribs". When the Miao workers plugged the test socket into the three-hole socket, the socket issued intermittent sounds and only the right indicator light was on. "This socket is unusable and there is no zero line inside," said Miao Gong. In the master bedroom, the test socket also detected a socket fire wire and zero wire connection.
"Construction workers carelessly use Ms. Wei's new bedroom in the main bedroom with zero socket and firewire positions. After using the appliance, it is easy to form a short circuit and there is a potential safety hazard. According to the Miao workers, the three holes in the socket are connected. Zero line, fire line and ground line 3 lines. The neutral line is the neutral line. When the three phases are balanced, the current of the neutral line is zero, which is commonly called “zero lineâ€. The voltage difference between the neutral line and the ground line after the short circuit of the system's total power distribution input is close to zero. Its main function is Loops form in the circuit system. "The zero line is missing and the loop cannot be formed. The socket cannot be used."
Miao workers said that in the circuit system, not only the zero line, fire line, and ground line must be in place, but also the installation and arrangement of electrical lines have strict standards. According to the “Construction Electrical Engineering Construction Quality Acceptance Criteriaâ€, the outlet should be “Left Zero Right Fireâ€. The installation of the upper grounding wire should be performed in the same order as the grounding wire. The grounding wire must not be connected in series. The positions of the neutral wire and the live wire cannot be interchanged. Otherwise, there is a risk of electric shock. Moreover, once the total zero line is disconnected, serious consequences will result. In particular, in the event of a short circuit, it is very likely that the accident will result in the burning of household appliances.
Decoration Construction Knowledge Construction Acceptance Construction Bottom Sockets New House Decoration Design Arrangement Appliances Main Bedroom Renovation Kitchen Doors Toilet Design Restaurant Furniture Bedroom Bedroom Lights
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