In the home improvement, the indoor wire installation specification is the focus of the renovation, but many decoration owners are not very familiar with the indoor wire installation specifications, resulting in a great deal of trouble in the later use. Indoor wire installation not only brings convenience to everyone but also increases safety risks. The following Xiao Bian introduced the indoor wire installation specification and indoor wire purchase.
Indoor wire installation specification
1, is generally used for the socket is a single core 2.5 square wire, 3 or more air conditioning with a single core wire 4 square wire, single core wire 6 square wire for the total line, two color line for the ground wire.
2, according to different colors, three volumes for a group (used for zero line, fire line, ground line) for lighting lighting is a single core line of 1.5 square wire, according to different colors two rolls as a group (for zero line, FireWire) .
3, two-core, three-core sheathed line is used for open-line use, mostly for construction on the construction site, home improvement is not used.
4, the thicker the audio cable, the better, it is recommended to use 2 * 1.52 or 2 * 1.2 specifications 5. The more TV splitters are distributed, the worse the TV signal is. It is recommended to use 6 allocations as much as possible.
5, each residential home must be set up in-wall residential distribution box. The household distribution box sets the main power switch. The switch can cut off the phase and neutral wires at the same time, and has a disconnection mark. Each house should be equipped with a power meter. The meter box should be installed in a centralized and hidden wall in a common location.
6. The total power switch in the power distribution box of the resident should adopt two-pole switch. The total switch capacity can't be too big or too small, and the phenomenon of tripping with the switch at the same time should be avoided.
7. The meter boxes are usually installed in layers on public passages. This is to facilitate meter reading and management. The in-wall installation is designed not to occupy public access.
8, small sets (use area of ​​not less than 38M2) power load design power 4KW; middle sets (use area not less than 49M2) power load design power of 4. 6KW; large sets (use area not less than 59M2) The power load design power is 6-8KW.
Indoor wiring
1, choose brand-name products. Check the product logo when purchasing. Brand-name products are generally certified for safety. You can check the certification marks printed on the wires when you purchase.
2, look outside. The wire and cable enterprises whose products meet the requirements of the national standards shall strictly control the purchase of raw materials, production equipment, and production techniques in order to improve product quality and ensure that the products meet the requirements of the national standards. Therefore, the appearance of the manufactured wire and cable products meets the requirements of the standard: smooth and round, uniform in color; and for the rubber-insulated flexible cable, the appearance is required to be round and the sheath, insulation, and conductor are not easily peeled off.
3, pay attention to packaging. The packaging of wire and cable products is the same as other products. All large and medium-sized formal enterprises that produce products that meet the requirements of the national standards, the production of wire and cable is very focused on product packaging. When purchasing, please pay attention to the exquisite packaging, the printing should be clear, and the model specifications, the name of the factory, and the site should be complete.
4, see the conductor. The products of wire and cable that meet the requirements of national standards, whether aluminum conductors or copper conductors, are brighter and free of oil. The DC resistance of conductors is in full compliance with national standards, and it has good electrical conductivity and high safety.
5, see the inspection report. Wire and cable, as products that affect personal and property safety, are inspected by the supervisory department. Therefore, sellers should be able to provide quality inspection department inspection reports, otherwise, has been listed as the focus of government supervision and inspection, regular manufacturers to accept the supervision of product quality on a regular basis on the lack of basis.
6, see the quality of the product. Generally, copper-cored plastic insulated wires are used for housing full-filled wires. The conductor of the wire is made of pure copper. When it is purchased, the color of the conductor can be observed from both ends of the wire, or a plastic sheath can be peeled off. The color of the conductor should be bright, and should not be dark or hard.
7. Select the appropriate specifications. Considering the increase in the number of household appliances and the increase in power in the future, the wire will select the corresponding specifications and leave a certain margin. Do not connect the wires when installing.
Editor's summary: About indoor wire installation specifications and indoor wire purchase is introduced here, I hope to be helpful to everyone. If you want to know more about yourself, you can follow the information on this site.
Wire and cable to buy indoor wires
Fine Specialty Chemicals, Textile Chemicals, Speciality Chemicals
Dynasty Chemicals (NingBo) Co., Ltd. , https://www.dychemco.com