PLUM TYPE SET SCREW FLEXIBLE CONDUIT CONNECTOR-ZINC

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TYPE A：small hole for EMT
TYPE B:big hole for IMC,RGD
Size: 1/2" to 4"

PLUM TYPE SET SCREW FLEXIBLE CONDUIT CONNECTOR-ZINC

Q: 1000 kW 600 m cable to use much: Three-phase 380V, 1000 kilowatts load, the working current is about: 1899A. The total area of copper cable is not less than: 1200 mm2 copper cable. . the cable is usually a few or several groups of wires (at least two each) twisted from the rope-like cable, each group of wires are insulated from each other, and often around a center twisted, the entire outer package Highly insulated cover. Cable with internal power, external insulation characteristics. . the cable has power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire cables, marine cables, mining cables, aluminum cables and so on. They are composed of single or multi-strand wire and insulation layer, used to connect the circuit, electrical appliances and so on.

Q: Is the cable head made of every building?: Building in accordance with the floor or unit configuration distribution box, there are office buildings using a total box. Where there is a cable out of the situation, must be wrapped to make the cable head, according to the choice of distribution box circuit breaker wiring crimp or not crimp the cable terminal. In other words, the cable head must be made, but not necessarily crimp the cable terminal.

Q: What is the meaning of PG + digital markings for electrical wiring?: If no color distinction, 100 meters after you know which line of the fire line which line? The

Q: 3 by 16 cable is a few flat? How? That 5 by 16?: Motherboard and power supply problem, the best way is to try to USB2.0 ban on the use of USB1.1 but will be slower

Q: How much of the cable with the switch?: Switch = (2-2.5) current three-phase current = P / 1.732 / 0.38 / 0.8 single-phase current = P / 0.22 / 0.8

Q: Does anyone know the "line buckle" classification (including shape / size / material / has been some commonly used size!) Line deduction is a hardware products! For daily necessities!: heat shrinkable casing (MRSG) is a new environmentally friendly halogen-free flame retardant casing, inexpensive products, for wire, cable and wire terminals to provide insulation protection

Q: Can the main cable be aluminum cable? And explain why, thank you!: Power board problem cost 10 less than the general maintenance received you 150

Q: 5 air conditioning can be used 4 square cable: Lengthened low voltage side, the line resistance increases, the voltage drop increases. Reduced load capacity. So that the router due to insufficient supply voltage and can not work properly. It is not allowed to use 9V power supply. Voltage is too high, the router part of the internal power supply increased power, heat increased, it is possible to burn the router. It is necessary to extend the power cord, I suggest you extend the power supply side (220V one end) safe and reliable. Increase the voltage to increase the supply current, in the electrical working voltage range (with the electrical work voltage range) is allowed, too low electrical appliances can not work properly. Too high there is the risk of burning appliances, according to your actual situation, marked 5V0.2A that the router works at rated voltage, so the way to improve the supply voltage is not applicable. So you can only improve the power supply power (that is, you say to increase the power supply current rather than voltage). With the reserve power, it will provide enough current at the rated voltage (the router as a resistor, from I = U / R, you can know the danger of increasing the voltage) need help please message

Q: How do I ask for cable prices? How many tons is one or more?: Cable bridge grounding should belong to the protective grounding, grounding resistance at a cross point is not greater than 50 milliohms, no jumper no more than 5 milliohms

Q: 6 square cable up to how many air conditioning (1.5P): 1 square millimeters can flow 4A current, 1KW380V, then the current is about P = UI about 2.6A7KW, 380V, then the current is about 18A, each with the line to share 18/3 = 6A2.5 square mm of copper on it. Of the area need to take . probably 6 level. V is probably 7KW220VI = p / u = 7000/220 = 31A. Then need 10 square millimeters of copper.

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