Good projects are based on good materials, especially hydropower projects. Some consumers choose low-quality hydropower materials in order to purchase electricity and water materials, but do not know that inferior hydropower materials may cause fire, run water, and other dangers. Experts suggest that when purchasing hydropower materials, in addition to selecting good water pipes and regular wires, water and electricity fittings should not be overlooked.
Small Panel University asks "Wen Wen asked to cut" selected good products
Water circuit renovation is a very important part of the renovation, many owners often because of this part of the professional and headaches, and even a lot of decoration companies will also make this link an important profit point. A switch panel may seem small, but the overall cost of the overall home improvement is quite a few, and the quality of the product is uneven. Experts advise consumers to choose high-quality switch panels to “look at the newsâ€.
"Looking at" is to look at the glossiness. Generally, the products produced by enterprises are made of PC materials, while some enterprises use secondary recycling materials. The secondary recycling materials and PC materials have different glossiness, and the secondary recycling materials are yellowish. , dark, and high quality PC material products are bright.
“Smell†refers to smelling after unpacking, which is also the reason for the use of product materials. Inferior products will have a very pungent taste.
"Q" refers to the internal details of the copper sheet, contact points, etc. of the inquired product. Now, new light copper and silver-nickel alloys are used as sockets. The product produced by the secondary regrind is made of copper sheet or silver. The test is generally not used by the manufacturer. The thickness of the first copper determines the current intensity. It can carry 2400 watts of current. If the switch is not selected properly, it may be discarded. .
"Cut" refers to the inspection of the internal structure of the product mainly depends on the copper metal material, plastic PC material, from the weight can know the material is good and bad, from this piece can choose a good quality of the switch socket.
The purchase of electric wires to look for product qualification construction operations strict compliance norms
The circuit reformation has the highest requirements on the quality of the wires, because poor quality wires can easily lead to short-circuit fires and other dangers. At present, there are many wire brands on the market, and prices are chaotic. It is recommended that consumers go to large supermarkets, factory outlets, or specialty stores to purchase wires.
When purchasing wires, first look at the packaging on the certification mark and the production license number; then look at the outer plastic skin of the wire is bright color, fine texture, the regular lighter with a lighter should be lit with no light. Informal wires use recycled plastics, which are dull in color and can ignite open flames; they can also cut a head and look at copper core material. Regular red copper wire is used for normal wires, and non-formal wire copper cores are recycled copper. Copper is dark and hard. Different power systems should choose different sections of wire. Household general lighting system should choose the cross-sectional area of ​​2.5 square millimeters of wire; for air conditioning, disinfection cabinets and other power than 1000 watts of electrical appliances used in the socket system should choose a cross-sectional area of ​​4 square mm of wire.
Threaded pipe application of flame-retardant PVC pipe, with a foot gently step on the line pipe should not be flat. The best choice of accessories is the brand, the same material, and the same specifications. Weak lines, switches, and sockets, such as telephone lines and television lines, should also be purchased in the formal market.
Water pipe fittings, although small influence, do not be greedy
Experts remind consumers not to use quality accessories in order to save money. It is best to buy high-quality water pipes and purchase the same brand, same material, and the same specifications. If the funds for renovation are limited, a combination of ordinary water pipes and high-quality accessories can be selected.
Waterway construction materials include water pipes and a wide range of accessories. The water pipes are mainly divided into galvanized pipes, aluminum plastic pipes, PPR pipes, copper pipes and stainless steel pipes. Experts advise consumers to use PPR tubes. PPR pipe is non-toxic, light weight, pressure-resistant, corrosion-resistant, simple construction, and can be used as cold and hot water pipes at the same time. Because the interface uses hot-melt technology, the tubes are completely integrated, no aging leakage occurs, and the price is moderate.
Also, don't overlook the plumbing fittings. Although the accessories are small, the expenditure is higher than the water pipes, and sometimes even exceeds 1/3 of the water pipe expenditure. Some consumers believe that as long as the quality of the water pipes is good, the use of a little accessory will not affect the quality of the project and it will save money. Plumbing fittings include elbows, tees, direct heads, etc. In fact, the construction of waterways has higher requirements on the quality of accessories. Take the connector as an example. If the joint is more than half a knurl, it will cause the joint to be twisted. The cracks that are often cracked are very small and difficult to find, so leakage is not known.
Hydropower renovation knowledge
Waterproof: The waterproof construction should adopt the waterproofing of the coating film. After the construction of the concealed project is completed and the acceptance is qualified, waterproof material shall be applied. The waterproof layer in the bathroom shall not be less than 1.8 meters high; places such as floor drains and pipelines shall be waterproof once more; After the completion of the construction, we must do two water storage tests.
Waterworks: When installing hot and cold water pipes, remember that the left hot right cold is used to facilitate the use in the future; the cold water pipe has a protective layer of 1 cm in the wall, and the hot water pipe is 1.5 cm, so the slot for laying the water pipe should be opened as far as possible. Deeper; toilet installation can not use cement, use silicone for future maintenance; to buy a toilet to consider the toilet pit; washing machine to consider whether to drain or under drainage; try not to install the bathroom in the bathroom to prevent moisture; bathroom In the pipeline, it is better to leave the manhole to prevent future repairs by breaking the wall.
Electrician: Strong and weak electricity can't be put in the same pipe; the power outlet is 30cm from the ground, and the switch distance is 1.4m; the switch is not installed behind the door; 16A socket for high-power electrical appliances, such as an electric oven; Excellent quality of the purchase, must be matched with the panel, otherwise it may not be installed; bedroom air conditioning not to the bed; air conditioning hole to consider outward tilt, otherwise the rain will come in; An light try to consider dual control; bathroom is best Installation splash socket; balcony to consider installing a socket; public flue to install the reverse valve; bought electrical instructions and warranty cards and other information, be sure to stay good for future maintenance.
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