SET SCREW EMT COUPLING-ZINC,EMT couplings

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$0.05 - 2.50 / pc
Loading Port:
Ningbo
Payment Terms:
TT or LC
Min Order Qty:
1000 pc
Supply Capability:
300000 pc/month

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Product Description:

Description:
EMT couplings are used in dry location to connect the ends of two unthreaded EMT conduits together. EMT aluminum set-screw couplings provide concrete tight connections when taped. Additionally, These set-screw couplings eliminate the need to thread bald conduits to fit old threaded couplings. EMT conduit couplings are pure aluminum material for excellent corrosion protection in damp location.


EMT Coupling
American Standard
UL Standard 514B
Size: Zinc 1/2" to 4"
Aluminum 1/2" to 2"
Set-screw type
Material: Zinc/Aluminum Die Cast


Applications:

These set-screw couplings are used in dry locations to connect   the ends of two EMT thinwall conduits together. topele’ die-cast aluminum, set-screw couplings provide concrete-tight connections when taped and properly secured with the included set-screw. Topele’ set-screw electrical couplings are rated for electrical applications above 600 volts.

SET SCREW EMT COUPLING-ZINC,EMT couplings

 

 

 

 

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Q:The difference between nylon balls and geese and ducks
If the 2.5 square copper wire for the output extension cable, 20 meters distance, the total resistance of about 2 * 1.7 * 0.2 / 2.5 = 0.272 (ohms), the current maximum 1.8A, the voltage drop is 0.272 * 1.8 = ), The charging voltage is 55-0.5 = 54.5 (volts), a difference of about 1% will not have any impact on the battery. However, the third floor, said Ye Hao, you can put the charger put the debris room, from your house put a 220V power cord down, home and then engage in a switch control. It is best to design a light at home, can intuitively see if the electricity is full. That's better. Design light, teach you a way: to find a bad leakless protector, open there is a coil-like ring-shaped stuff, called zero sequence current transformer, it will be down, be careful, do not put Transformers inside the coil hurt, get down, in the transformer two thin lines connected to a light-emitting diode. And then your 220V power cord line of fire from the center of the sensor through, around 3-5 turns. In this way, as long as there is current flow, the light-emitting diode will be bright, when the charge is over, the charging current is close to zero, the light-emitting diode will be extinguished. You can from the light-emitting diode is lit to determine whether the electric has been filled. I also have an electric bike that is so charged.
Q:How to distinguish how many pairs of cable with a large heat shrink tubing
Yellow line is video, red and white are audio, you can only pick one!
Q:Decoration doubt, what kind of wall can not open the horizontal groove?
Excretion training is the use of positive reinforcement, that is, a variety of food, toys, the best time to reward
Q:What is the type of pipe that is marked as KBG pipe?
The best cement and other dry in the closing, because the wet cement contains moisture, can be conductive, dry the probability of conduction less. Pay attention to the wire to maintain integrity, no broken skin, it is best to protect the casing.
Q:How much of the cable with the switch?
The switch is not selected according to the cable and is selected according to the current. The cable is determined by the size of the power (converted to current) and the distance from which the distance is far. The greater the power distance, the greater the cross-sectional area of the required cable. For example: 15KW motor selection cable current I = P / 1.732UcosΦ = 15 / 1.732 / 0.38 / 0.8 = 28A if it is close (within tens of meters), copper cable 6 square millimeters, aluminum cable 10 square millimeters. If it is in the distance (a few hundred meters), copper cable 10 square millimeters, aluminum cable 16 square millimeters. If it is long distance (close to kilometers), copper cable 16 square millimeters, aluminum cable 25 square millimeters. The switch is regardless of distance, completely based on the load current to choose, generally according to the load current of 1.5 times to 2 times to choose.
Q:1000 kW 600 m cable to use much
Depends on the load is emotional, resistive, should be too long cable, consider the pressure drop. Generally consider 2.5 or more.
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:7 kilowatts of electricity with what specifications of the wire
If it is connected to the 220V of the electricity above the 6 square of the copper line can be
Q:25 square copper cable how much money one meter?
There is no 1..2..4.5 square wire. The family uses most of the four wires with 1.. 1.. 2.5 and 4. Power 1KW Approx. 5A.3KW Approx. 15A.2.5 square copper wire can be used. Plug or empty open (25A).
Q:Is the cable head made of every building?
Generally have every building floor wiring closet must be connected to the big cable. The big cable comes in to do the cable head

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