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Sunday, December 25, 2011
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Tuesday, December 20, 2011
What's the Difference Between TFFN, THWN and THHN Wire?
I work at a wire and cable distributor and we get calls like this all the time. There are very slight differences between these wires and almost no difference at all. All three are types of single conductor electrical wire and the four letters are just approvals that the wire went through.
THHN wire stands for Thermoplastic High Heat Resistant Nylon which is fully approved and stamped on the wire. THWN is a different approval that came long after THHN and South Wire used to make two separate wires with the different approvals. Now they just make one wire and dual rate it with both approvals. THWN stands for Thermoplastic Heat and Water Resistant Nylon which just adds that it's water resistant. So manufacturers just started to dual rate the THHN wire for both so that they didn't have to run two separate wires everytime.
TFFN is only used on 16 and 18 awg wire. It stands for Thermoplastic Flexible Fixture Wire Nylon which is slightly different than the THHN wire because it has a lower heat resistance and it's not good for wet locations. You can't even get TFFN in any bigger awg sizes because they're all dual rated THHN and THWN.
All of these types of wire fall under the electrical wire category and they're sometimes called building wire as well. The reason is electrical contractors use it and most of the time in buildings and homes. Romex is made with THHN conductors and a ground wire so that you can pull two or three wires through a home or building at once. Talk to your sales person about the type of wire you need because they use it and discuss it everyday and may have knowledge that you don't.
Be careful because not all manufacturers will dual rate the wire just because South Wire does. They will look for ways to be cheaper and faster without the thoughts of their customers. make sure you ask if your THHN is dual rated with THWN before buying it.
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Sunday, December 4, 2011
LiteFuze LR-5000 5000 Watt Heavy Duty Voltage Regulator w/ Voltage Converter Transformer - Step Up/Down 110/120/220/240V (Free Euro Plug) - Patented Universal Output Sockets
!±8±LiteFuze LR-5000 5000 Watt Heavy Duty Voltage Regulator w/ Voltage Converter Transformer - Step Up/Down 110/120/220/240V (Free Euro Plug) - Patented Universal Output Sockets
Brand : LiteFuzeRate :
Price :
Post Date : Dec 05, 2011 01:40:11
Usually ships in 24 hours
Up to 5000 Watt Maximum Capacity Heavy-Duty Voltage Regulator Heavy duty for continuous use On/Off Power Switch LED Indicator for Power Source Single phase Dual Voltage Step Up or Step Down functionality Input: 110V/120V or 220V/230V/240V (Single Phase) Output 110V/120V or 220V/230V/240V (Single Phase) Input Selection in the rear of the converter Dimensions: 12"x11.5"x7" * Weight: 34 lbs. Five outlets for output in the front - 2 sockets - Universal outlet (220/240v single phase) - 3 sockets - Grounded USA (110/120v) Fuse protected with Built in Circuit Breaker NOTE: We recommend to use a Voltage Converter / Transformer that's max watts is at least 50% higher than your appliance. Some appliances such as Power tools, Motors, Laser printers and TVs require 2-3 times more watts at start up than the printed rating. We do not recommend voltage converters to use with coffee makers, hair dryers, microwave ovens and other heat producing appliances. US 220V products are two-phase 220V products and are not designed for use with this item.
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Sunday, November 27, 2011
Electrical Fuses 101
Most people who are not familiar with electricity don't know that electrical fuses protect electrical circuits from over amperage, not over voltage.
Amps or amperage is the flow, or amount of electricity. Voltage has to do with the force the electricity current flows. A example of this would be a fire hose with a nozzle delivers high pressure (voltage), but also low volume (amperage). The fire hydrant may have huge volume (amperage), but will only push the water a few feet due to it's low pressure (voltage). So when you multiply amps x volts you get the wattage.
Every electrical circuit whether rated to handle a large shop machine or motor, is setup to handle specific amperage. Your wiring is also only rated to handle a specified amount of amperage, if you try running too many amps through the wires, they'll overheat and melt. The purpose of a electrical fuse or circuit breaker is to trip or blow before damage is done to the machine, electrical product, or wiring.
Standard Home Fuses:
New homes have circuit breakers but many older homes have a fuse box that which fuses screw into sockets similar to light bulb sockets. There are two types of bases for sockets, the Edison Base which are Type T Fuses and the Rejection Base which are Type S Fuses. The Edison Type T base fuse screws directly into the socket in the fuse box. The Rejection Base Type S fuse actually screws into a adapter base, which locks the fuse into the fuse box. Each of the Type S fuses has a different size adapter base for each different amperage rating fuse. With the different types of fuse bases you are unable to put a larger amp rated fuse into a smaller amp circuit.
Many older homes also use a Edison Type W fuse which are becoming obsolete. These Type W fuses are fast-acting, and have no time delay element. The Type W is designed for general lighting and power circuits that do not run electrical motors. A electric motor draws more current when it starts up and will blow the Type W fuse.
The medium duty time delay fuses are now a commonly used plug fuses for homes, these are called the "TL" and "SL" fuses. The "TL" fuse is a Edison fuse and the "SL" fuses use the rejection base. These fuses are used where power surges can occur, such as a garbage disposal.
When larger motors are used in circuits or motors that cycle on and off many times use "S" and "T" fuses. These fuses are heavy duty time delay fuses, the differences are the "S" fuse uses rejection socket bases, and the "T" fuse has a Edison base.
The last type of home fuse is a retrofit circuit breaker fuse are known as Minibreakers. These fuses convert a socket fuse into a push button circuit breaker, that pops out when overloaded. To reset these breakers all you do is press the circuit breaker button back into position and your up and running.
Get more electrical fuse and circuit breakers info today from a leading fuse supplier and keep your home safe.
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Wednesday, November 16, 2011
Moving to Australia - What You Should Know
You would think that an American moving to Australia would have a pretty easy time adapting to the new environment down under. After all, Australia is a western society with a great deal of tolerance for other cultures. The English-Irish roots means there should be no language barriers other than having to learn a few slang words here and there. Theoretically, you are correct. Practically, there are some things you should know of before moving to Australia.
In Australia, they drive on the other side of the road. Dreaming about driving your new sports car down the long empty roads of the great Australian Outback? Forget about it. In Australia they drive on the left side of the road, therefore cars are built with steering wheels on the right-hand side. You could have the car converted into a right-hand drive vehicle, but the expense is not always justified. In addition, you need to adjust your driving habits and always remember to look the right way when making a turn or crossing an intersection. Unfortunately, a small number of tourists are killed in car accidents annually because they looked the wrong way while driving. Pedestrians need to be careful just as well. Electricity in Australia works on the European system of 220 volts and not the US system of 110 volts. This means if you were thinking on shipping your appliances to Australia, you better think again, for they will not work down under. Power converters could help, but take into consideration these points: You will need a converter for every single appliance that runs on the 110 volt US electric system. Converters are not particularly cheap. Converters burn out easily. Even though you may use a converter, there still will be a difference in electricity cycles, which means the clock and timer of the appliance will always be off by a few minutes.Tuition for university in Australia is very costly. Although there is a student loan program called the HECS, you would still need to qualify. HECS can arrange a delay in paying university tuition fees until graduation. Then the fee a docked from the salary as tax once employed. But in order to enroll in the more desired majors such as law, engineering, and medicine, students need to score highly on HSC exams. Otherwise, only other disciplines will be open for the HECS loan.All other issues aside, moving to Australia has turned out to be the most positive life choice for thousands of expats from all over the world. Sunny weather, laid back lifestyle, and an opportunistic economy all combine together to produce an living environment worth moving down under for.Cheap Stereo Receivers Sale Olympus Xa Fast Hillsong All The Above Save
Tuesday, November 8, 2011
Duracell 813-1000-07 1,000 Watt DC to AC Power Inverter
!±8± Duracell 813-1000-07 1,000 Watt DC to AC Power Inverter
- Available in 300, 1000 and 1500-watt models
- Two AC outlets to power multiple loads
- High surge capacity for products that require more starting power
- High efficiency - converts virtually all the battery's available power to AC
- Mounting brackets for convenient installation (1000 and 1500-watt models)
More Specification..!!
Duracell 813-1000-07 1,000 Watt DC to AC Power Inverter
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Wednesday, October 12, 2011
Simran AR-3000 3000-Watt Heavy Duty Voltage Regulator/Stabilizer with Built-In Step Up/Down Voltage Transformer, Grey
!±8±Simran AR-3000 3000-Watt Heavy Duty Voltage Regulator/Stabilizer with Built-In Step Up/Down Voltage Transformer, Grey
Brand : SimranRate :
Price : $77.25
Post Date : Oct 13, 2011 03:38:22
Usually ships in 1-2 business days
voltage regulator 3000 watts with power surge built in. Brand new never opened, continuous use power rating 3000 watts at 30 amps max rating
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Power Bright VC3000W Voltage Transformer 3000 Watt Step Up/Down 110 Volt - 220 Volt
!±8± Power Bright VC3000W Voltage Transformer 3000 Watt Step Up/Down 110 Volt - 220 Volt
Post Date : Aug 13, 2011 05:12:45 | Usually ships in 24 hours
3000 Watt Voltage Transformer (VC3000W) This voltage converter can be used in 110 volt countries and 220 volt countries. It will convert from 220-240 volt to 110-120 volt AND from 110-120 volt to 220-240 volt.
- 3000 watts continuous power
- On and Off Switch
- 2 Spare Fuses Included
- FREE Grounded Adapter Included
- Heavy Duty
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Monday, August 8, 2011
Power Bright VC1000W Voltage Transformer 1000 Watt Step Up/Down 110 Volt - 220 Volt
!±8± Power Bright VC1000W Voltage Transformer 1000 Watt Step Up/Down 110 Volt - 220 Volt
Post Date : Aug 08, 2011 15:42:06 | Usually ships in 1-2 business days
- 1000 watts continuous power
- On and Off Switch
- 2 Spare Fuses Included
- FREE Grounded Adapter Included
- Heavy Duty
More Specification..!!
Power Bright VC1000W Voltage Transformer 1000 Watt Step Up/Down 110 Volt - 220 Volt
Saturday, August 6, 2011
Thursday, August 4, 2011
Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter
!±8± Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter
The Cobra CPI 2575 is a 12 volt DC to 120 volt AC power inverter with 2500 watts continuous power handling and 5000 Watts peak power. This unit contains a 5 volt USB output, modified sine wave, thermal shutdown, reverse polarity protection, low voltage shutdown, low voltage alarm, 3 grounded AC receptacles, LED volt/watt meter and has remote on/off capability.
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