Choice of home power cord right or wrong, not only directly affect the effectiveness of various household appliances use and longevity, but also about the lives and property of each family, it is necessary to know how to choose the right home power lines.
Common household power cords are RVB-70 PVC insulated twisted pair of parallel wires and cords, RVZ-70 PVC insulated / sheathed cord, RFB / RFS-type nitrile compound insulated PVC flexible cord parallel and the twisted cord, RHF chloroprene rubber soft lines. Different appliances, you should use a different power cord.
The various types of conductors are multi-strand copper wire with a nominal cross-sectional area ranging from 0.2-2.5mm2. General lighting, tape recorders, TV sets with integrated plug wire, to select the RVB-70, RVZ-70 type of parallel or twisted pair is appropriate, its cross-sectional area should be in the range of 0.75-1.0mm2; electric rice pot, air conditioners, ventilation fans, electric fans, refrigerators, washing machines and other electrical load to protect ground and large electrical appliances, plug the power cord and activities to choose RVZ-70-type three-core wire with a sheath is appropriate, its cross-sectional area should be 0.75-1.5mm2; iron, 100W soldering power about chromium iron, hand drills and other mobile sources of heat or spark and there is strong electrical and mobile outlet to use RHF-type line is appropriate, its cross-sectional area should be 0.75-1.0mm2. Renovation of housing, the pipe required dark line BV-70 PVC insulated copper hard-line, the cross-sectional area of the 1.0-2.0mm2 is appropriate, to ensure the safe use of long enough duration; As for the kitchen, bathroom and other wet environment in the application of mobile-type socket connection, you should use RVZ-70 model sheathed cable. |
