First, the wire surface markers <br> <br> according to the national standard wire and wire products manufacturer name surface should be continuous models He signs the rated voltage when it is conducive to problems in the course of the wires in time to find consumers in the factory it is important to note that while consumers purchase wire Note printing logo indicated on the certificate manufacturer name model rated voltage wire and cable surface should buy wire to prevent counterfeit goods is not consistent <br> <br> two Wire appearance
Consumers should pay attention to the appearance of the wire when it is purchased. The appearance of the wire should be smooth and flat. The insulation layer is not damaged. The printing is clear. The hand mold wire has no greasy feeling. The thickness of the insulation or sheath on the entire circumference of the wire should be seen from the cross section of the wire. should uniformly eccentric insulation or jacket should have a certain thickness <br> <br> three, conductor diameter
When purchasing electric wires, consumers should pay attention to whether the conductor wire diameter is consistent with the cross section clearly indicated on the wire certificate. If the conductor cross section is too small, it is easy to make the wire heat cause short circuit. It is recommended that the household lighting circuit wire adopt 1.5 square millimeter and above specifications; household appliances and the like with larger power should be more than 2.5 mm2 and specifications of wire <br> <br> Regulating the use
It is best to use the BV single-core wire to wear the pipe. Be careful not to damage the wire during wiring. Do not damage the wire when decorating the room; do not connect the connector in the middle of the route; do not touch the wire when the wire is connected to the electrical box. In addition, household appliances with large power consumption, such as air conditioners, should be powered by separate wires; the wires for weak currents should preferably be kept at a certain distance.
When Car Reflective Vest use the aluminum lattice reflective material, not only in a small angle (from the reflective warning vest wearer far away), reflective brightness is high, even at a large angle (from the reflective warning vest wearer closer ), it still has a good reflective brightness, so that the locomotive driver earlier identified roadside vehicle side of the staff, as soon as possible to respond to effectively prevent the occurrence of secondary accidents.
Reflective warning vests are made of high-visibility reflective material It can make the traffic police work smoothly in the night or special weather in order to reduce the rate of the casualties. it plays a special role in security especially in traffic engineering.When the motor vehicle fails, the driver needs to wear a reflective warning vest, and away from the faulty vehicle to prevent the occurrence of secondary accidents. This kind of reflective warning vest is mainly applicable to police, road officials, traffic commanders, road maintenance personnel, motorists, motorcycles and bicycles drivers, dark light workers and so on in one word, the local worker who needs to use light warning. Widely used in traffic engineering, shipbuilding industry, steel industry, machinery industry, oil industry, ambulance, parking lot, airport, traffic police and outdoor work or construction, plays an important role in good security warning .
According to reflective vest`s wearing [far distance discovers, near distance recognise" s character. It balances the big and small angle of optical performance. It has a large reflection angle.
Reflective warning`s reflection part of the vest is the use of lattice micro-rhombus type refraction and high refractive index of glass beads back to the principle of reflection, through the post-processing of advanced processing technology made. It can reflect the distant light back to the light. Both in the day or night have a good retroreflective optical performance. Especially at night, it can play the same high visibility as the day. The use of this high-energy reflective material made of safety clothing, whether the wearer is in the distance, or in the light or scattered light interference, it can be relatively easy to be found by the night driver.
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Daoming Optics & Chemical Co., Ltd , https://www.reflectives.nl