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What is the safest method to connect a number 4 aluminum house wire to a copper wire oven pigtail?
Use a #4 split bolt. Apply penetrox (an oxide inhibiting compound) to both wires and insert one wire on each side of the spacer bar. Tighten the split bolt with two wrenches. Apply two double laps of rubber amalgamating tape and then two laps of electrical vinyl tape. Position so that the splice does not touch the frame of the oven. Replace the junction box cover plate.
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What size conductors are needed for a 3 phase 800 amp service?
For a 3-phase 800 amp service, the conductor size will depend on various factors, including the type of conductor (copper or aluminum), the installation method, and ambient temperature. Generally, for copper conductors, you might need around 3/0 AWG to 250 kcmil, while for aluminum conductors, sizes typically range from 250 kcmil to 400 kcmil. It's essential to consult the National Electrical Code (NEC) and local regulations for precise sizing based on specific conditions and to ensure safety and compliance. Always consider factors like voltage drop and temperature ratings in your calculations.
What is the current carrying capacity of 32 sq mm copper cable?
It depends on the the number of cores, type of insulation, whether armoured or unarmoured, and method of installation. So, there is no simple answer. You must determine the current-carrying capacity from the Tables provided in BS 7671:2008 Requirements for Electrical Installations, or the equivalent used in your country.
Which is the best method for Cathodic protection. Sacrificing anode method or Impressed current method?
When reliability is concerned then ICCP method is superior but when overhead cost incurred in installation and maintenance is concerned then sacrificing anode method is better than ICCP method. When reliability is concerned then ICCP method is superior but when overhead cost incurred in installation and maintenance is concerned then sacrificing anode method is better than ICCP method.
What is Ml wiring method electrical?
MI is known as Mineral Insulated cable. The cable has the ability to withstand very high ambient temperatures and for years it was used on fire alarm systems. With proper gland ends installed it can also be used in explosion proof areas. It looks like copper tubing with wires inside of it. Around the wires is a magnesium oxide powder that is used as insulation to keep the wires from touching the outside protective copper sheath. It is now only used in specifically engineered jobs as the price of the cable is extremely high due to all of the copper used in its construction.
How is fractional electric-motor housing made?
This mainly depends on your motorsize, characteristics,applications,according to the sitedesign, there are die casting aluminum, cast aluminum, cast iron andgray cast iron andductile ironcasting Materials, aluminum, cast iron( gray iron and ductile iron are very common),steel plate and so on can do stand. Pressingstator, a thermalsleeve having cold after being tightened screws fixed, weldingand so on, but also all kinds of method to have. The base is generally divided into: box, shell and the core shell casting In 1, a boxwith steel plate welding, short cycle,low cost, no standard, no need. 2 casting shell are generally used for small motor.The majority to iron. Aluminum motor shell in general use thermal cover,glue, screws, iron general directly press,screw fastening
How can I use the push-to-connect method to join copper fittings securely?
To use the push-to-connect method to join copper fittings securely, follow these steps: Cut the copper pipe to the desired length using a pipe cutter. Ensure the pipe end is clean and free of burrs. Insert the pipe into the push-to-connect fitting until it reaches the tube stop. Check that the pipe is fully inserted by pulling on it gently. Repeat the process for the other fitting. Test the connection for leaks by turning on the water supply. This method provides a secure and reliable connection without the need for soldering or additional tools.
Can you install copper and powder coated aluminum together?
Actually, i don't know if u want get the alloy. but if that, we can use electrodeposited method to easily get the alloy in any shapes. we can discuss about it later.
What has the author John T Larsen written?
John T. Larsen has written: 'An x-ray method for following the precipitation process in polycrystalline aluminum-copper' -- subject(s): Metallurgy
How do you connect a number 12 aluminum wire to a number 14 copper wire?
AMP (part of Tyco) manufactures the COPALUM system. It's a form of pigtailing, but the electrician uses a special machine that applies (IIRC) over 20 tons of force to the crimp. When it's done, it is as safe as you can possibly get with the notoriously unsafe aluminum wiring. 12-gauge aluminum and 14-gauge copper both handle 15 amps, so that's okay. The proper way is to get a licensed electrican with aluminum experience to "pig-tail" all the aluminum wire in the entire house. This way you wind up with only copper wires to work with. I live in an area with a LOT of aluminum wiring and made a nice living for awhile doing pigtail work. You use the anti-oxidant compound and al/cu connectors. But the important part is to make sure that the connection is made correctly--something a lot of inexperienced electricians might mess us--and that the wire is skinned back so that it had not been abraded or oxidized in any way. It costs a few dollars, but unless you are ready to have your house burn down, it is worth it. electrical supply stores carry a wire nut made for cop to alum connections I very strongly do-not recommend the use of two dissembler metels in wiring. You are asking for TROUBLE big time! When two metels are put together they set up a reaction called electrolysis which causes currosion. This causes the junction to heat which is a major cause of electrical fires! Aluminum may be cheap but better forgotten. Aluminum also has more resistance than copper and therefore requires a lot larger wire. If you don't mind dim lights, hard starting motors that heat because of the lack of available power ect. Well I hope you got the idea. Aluminum is better to make pop cans out of! I'm sure the guy meant "dissimilar," but I agree - DON'T DO IT! When connecting aluminum and copper wiring together you must use devices marked CU AL which are designed to keep the 2 wires from touching each other. Best advice is to absolutely not use aluminum wiring! Don't forget that if you have to use Aluminum wiring you should coat all your connections with an anti-oxidizing paste to lower the fire hazard. 3M also makes a crimp type tool and connectors that can be used with it to make a aluminum to copper connection (IF ABSOLUTELY NECESSARY). It works better than the AL-CU nut type connectors. 3M also makes a handy little wire nut specifically designed to connect aluminum and copper wires that already contains an anti-corrosion compound probably the simplest and easiest method.
What method is used to separate copper from copper sulphate solution?
One method to separate copper from a copper sulfate solution is through electrolysis, where an electric current is passed through the solution to deposit the copper onto a cathode. Another method is to add a more reactive metal, such as iron, which will displace the copper from the solution through a displacement reaction.
How can I transition from copper to PEX without soldering?
To transition from copper to PEX without soldering, you can use push-to-connect fittings or compression fittings. These fittings allow you to easily connect the PEX tubing to the existing copper pipes without the need for soldering. Simply cut the copper pipe, insert the PEX tubing into the fitting, and secure it in place according to the manufacturer's instructions. This method provides a quick and efficient way to make the transition without the use of a torch or solder.
Are the copper bbs in shake and bake method of manufacturing meth dangerous?
The copper bbs are probably the only part of the whole method that is NOT dangerous.
How can I connect copper pipes to PEX pipes in a plumbing system?
To connect copper pipes to PEX pipes in a plumbing system, you can use a push-to-connect fitting or a compression fitting. These fittings allow you to join the two types of pipes securely without the need for soldering or special tools. Simply cut the pipes to the desired length, insert them into the fitting, and tighten the connection according to the manufacturer's instructions. This method provides a reliable and leak-free connection between copper and PEX pipes in your plumbing system.
Which metal is extracted by the electro metallurgical method?
ALUMINUM
What new copper refining method is now used?
A notable advance in copper mining technology is the solvent extraction-electrowinning (SX-EW) method of production.
What copper tube is available when using the grooved method of joining?
Grooved method? Threads on the end of the pipe? There is no tube or pipe in copper with threads. You can end a copper pipe with a connection that is threaded to accept steel pipe.
What is copper recycling?
Copper recycling is to get copper from copper contained materials by ways such as extracting, separating, etc.. This is a resource-saving and environment-friendly method for us.
