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Sunday, December 25, 2011
Tuesday, December 20, 2011
Wagan EL2201 Elite 400 Watt Pure Sine Wave Inverter
!±8±Wagan EL2201 Elite 400 Watt Pure Sine Wave Inverter
Brand : WaganRate :
Price : $106.54
Post Date : Dec 20, 2011 18:26:53
Usually ships in 24 hours
Wagan Elite 400 Watt Pure Sine Inverter is perfect for recharging devices on the go and for people with mobile lifestyles. Provides 400 watt continuous power and 800 watt peak surge power. Features 1 AC outlet, a USB power port, overload, overheat and low battery protection plus a 12v DC plug to connect inside your vehicle. Sample appliances include: cell phone charger, digital camera, video games, camcorder, cordless drill, MP3 or CD stereo system, medium LCD TV, laptop and standard incandescent light bulb. Wagan tech elite pure sine inverters are ideal for sensitive electronics. Designed to be efficient, the pure sine technology allows appliances to recharge faster, save energy costs and extend the life of appliances. It also reduces electronic interference, and is perfect for operating sensitive electronics such as medical devices, audio and video equipment, computers, HDTVs. Appliances with dimmers, speed controls, and certain battery chargers require pure sine to operate. Compared to traditional inverters which output in modified sine wave, AC power in pure sine wave is more similar to commercial power. The electronic appliances run cleaner, cooler and quieter when running on pure sine power. Wagan pure sine inverters are especially designed to increase the efficiency and running time of electronic appliances and motors. Our inverters operate at less than 3 to 5 percent of total harmonic distortion on average and 90 percent efficiency across the line.
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Friday, December 16, 2011
Samlex SSW-350-12A Pure Sine Wave Inverter
!±8±Samlex SSW-350-12A Pure Sine Wave Inverter
Brand : SamlexRate :
Price : $0.00
Post Date : Dec 16, 2011 05:38:19
Usually ships in 2-3 business days
INPUT: DC Input Voltage Range 10.5 - 15.3 VDC (±0.3 VDC). DC input current (at rated output power and 12.5 v input) 33 A. DC input current at no load (at 12.5 v input) 0.5 A. OUTPUT: AC Output voltage and tolerance 115 VAC (±5 VAC). AC output frequency and tolerance 60 Hz (±1Hz). AC output wave form PURE SINE WAVE Continuous active output power (linear resistive load) 350 W. Maximum active surge power 700 W peak - EFFICIENCY 89%. PORTS: USB CHARGING PORT (+5 vdc, 500Ma). PROTECTION: LOW INPUT VOLTAGE WARNING ALARM, 11.0 VDC LOW INPUT VOLTAGE SHUTDOWN, 10.5 VDC HIGH INPUT VOLTAGE SHUTDOWN, 15.3 VDC OVERLOAD SHUTDOWN. COOLING (LOAD CONTROLLED FAN). CONNECTIONS: INPUT TERMINALS WITH THUMB SCREW (M4). OUTPUT 2 X NEMA5-15 NORTH AMERICAN RECEPTACLES. General Temperature Profile: AMBIENT TEMPERATURE 0°C to 40°C; 32°F to 104°F. STORAGE TEMPERATURE -30°C to 70°C; -26°F to 158°F. Dimensions, Inches (L x w x H) 7.87 x 6.10 x 2.24 Weight, Lb 1.5
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Saturday, December 10, 2011
What Is Fish Tape And How Does It Work?
Introduction
Fish tape (also known as a draw wire or draw tape) is a tool used by electricians to route new wiring through walls and electrical conduit. Fish tape is a length of stiff wire with a hook at the end and is usually stored coiled on a plastic reel. It works because it is bendy enough to easily go around corners and curves in the pipe, but strong enough to be pushed through the pipe without folding on itself and capable of pulling other items back through the pipe without breaking.
How It Works
Fish tape is the only good way to run wire through insulation. It will help you push wire through conduits faster and easier. It's sturdy yet flexible enough to snake inside walls, and can be used to run wiring behind objects that are big, heavy and would be a pain to move. However, sometimes the bends are too sharp, or the conduit has a joint or connection where the fish tape gets stuck. If that is the case, tie the end of the cord or the fish tape to the loop formed and pull it back through the way it went in. Please note, this is usually a two-person job: One to pull the fish tape from the far end and another to help feed the wire through without kinking or tangling on the other end. It's also important to note that staggered connection points prevent bunching or hang-ups in tight bends, so be careful not to let that happen.
Conclusion
Typically, fish tape is supplied in lengths ranging from 25 to 200 feet. It's really the only viable way to run wire through insulation easily. It's sturdy enough for pulling cable through conduit, but the cable must be taped well to it. Most impressive is the fact that fish tape is small enough to fit in a small toolbox or even in a small kitchen drawer or desk drawer.
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Wednesday, December 7, 2011
Load Break Switch
In power applications, switches perform function to energize or unenergized an electric load. On the high end of the scale are load-break switches and disconnecting switches in power systems at the highest voltages (several hundred thousand volts).
Load-break switches are required to maintain the capability of interrupting the load current. The load break switch in a circuit with several hundred thousand volts, designed to carry a large amount of current without overheating the open position, having enough insulation to isolate the circuit in closed position, and equipped with arc interrupters to interrupt the load current.
Load break switches of air break are of versatile switch gear for transformer control & protection. They can also be used for Motor feeder in conjunction with Vacuum contactors. They are highly useful for Ring feeders for isolation of faulty section either manually or through remote control if fitted with motor operation. Load break switch in conjunction with HRC fuse can tackle high fault current and offer very good protection against dead short circuit capacity up to 40KA.The fault clearance and isolation through this combination will be achieved in a few milli seconds provided a proper selection of LBS and fuse is done. HRC fuses are manufactured with silver strips/silver coated Cu. Strips wires surrounded by granular quartz. When short-circuit occurs the metal element melts and the molten metal melts the surrounding quartz, making the combination an insulating material, called fulgarite. There will be a number of sections in the element which will create similar insulating media in quick succession and thus the arc will be extinguished in a matter of few milliseconds, say 5 to 8 milli-seconds, ie., less than 1/2 a cycle.
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Saturday, December 3, 2011
Replace an Attic Exhaust Fan
Most homes have at least one exhaust fan in the attic. Depending on the size and shape of the attic, the attic may have 2 or 3 fans. Since the attic is usually hot in the summer months - sometimes reaching as much as 130 degrees F - the attic fans will often have bearing failure. The bearings are usually of the sealed type and can not be lubricated. Most of the time it is cheaper to replace the fan than try to repair them. Some fans have a thermostat that can fail but you may not find the correct thermostat and it is still easier to just replace the complete fan.
The tools required to replace the exhaust fan are: flashlight, wire strippers, needle nose pliers, screw drivers and nut drivers.
To replace the attic fan, first verify that the power is turned off. You can turn the breaker off or if the breaker is not marked, using a multimeter, verify the voltage is off by shutting the breakers off one at a time and reading the voltage at the fan connections. ( They are usually connected with wire nuts that you can carefully remove to check the voltage. After the power is turned off and verified disconnect the wires from the fan. The wires may be physically attached to the exhaust fan by a clamp which can be loosened to pull the wire out of the fan. Most fan motors have 3 screws holding them to the housing. Remove the mounting screws and pull thefan out. By doing this you do not have to climb a ladder on outside to remove the exhaust fan. Then reinstall the fan with the mounting screws and reconnect the wires. Turn on voltage and verify that the exhaust fan is working and you are done.
Wednesday, November 30, 2011
Electrical Inspections
Many components are checked during an electrical inspection. The reason behind electrical inspections is to keep a home safe for a family to live in. Every home has an initial inspection done by an official during the building process. To make sure that you will pass this type of inspection, your electrician works to follow all safety and local codes, and can be present with the inspector while the inspection takes place in order to know exactly what needs to be done. Electrical inspections also occur before the sale of a home just to make sure it still remains safe.
The main phase of an electrical inspection is to look for any code violations. You electrician will work to follow each and every code that is made available to them, but with any jobsite, there might be at least one code violation. After these code violations have been brought to the attention of the builder, the electricians will go in and follow the list made by the inspector to fix everything properly. You can also have your electrician do this same type of inspection on a house you are looking to purchase to make sure everything is in solid working order.
Other things that electricians and inspectors alike look for during an inspection is the state of the wiring, the placement of the wiring, and what type of voltage and amps are being run throughout. Even low voltage wiring still needs to be inspected before you can close up the walls of a new construction project. Outlets, appliances, and anything that is hooked up to power will also need to be inspected to see that they are properly and safely wired to work correctly without causing any damage during the life of the home. It is not uncommon for homeowners to have to update the wiring of their home after a certain amount of years before the sale of their house.
Some might find electrical inspections a bit unfamiliar, or possibly unnecessary, but in reality this type of inspection protects homeowners and renters alike. It revolves around safety and usability of your electricity. A properly inspected and wired home will save money on the electric bill and will give confidence to whomever lives there that they are safe. A properly wired house will also be less likely to lose power, malfunction, or require a lot of money worth of repair work further down the road.
Saturday, November 26, 2011
NPower Portable Modified Sinewave Power Inverters - 200 to 750 Watts
These high-efficiency NPower portable inverters convert virtually all of the battery's available power to AC current. Suitable for contractors who operate power tools near their vehicle. Features high surge capacity for devices that require more power to start. For more information on the complete line of NPower portable power inverters visit Northern Tool + Equipment: www.northerntool.com
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Wagan EL2200 Elite 180 Watt Pure Sine Wave Inverter
!±8± Wagan EL2200 Elite 180 Watt Pure Sine Wave Inverter
Brand : Wagan | Rate : | Price : $59.98
Post Date : Nov 26, 2011 07:47:40 | Usually ships in 24 hours
| Price : $59.98Post Date : Nov 26, 2011 07:47:40 | Usually ships in 24 hours
- 180 watts continuous power, 360 watts peak surge power
- 1 AC outlet and 1 USB port
- 12 volt DC plug allows for connection in your vehicle
- Overload, overheat and low battery protection
- Recharge appliances faster and extend life of appliances using pure sine
More Specification..!!
Wagan EL2200 Elite 180 Watt Pure Sine Wave Inverter
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Friday, November 25, 2011
Power Bright APS300-12 Pure Sine Power Inverter 300 Watt 12 Volt DC To 110 Volt AC
!±8± Power Bright APS300-12 Pure Sine Power Inverter 300 Watt 12 Volt DC To 110 Volt AC
Brand : PowerBright | Rate : | Price : $123.99
Post Date : Nov 25, 2011 03:30:53 | Usually ships in 24 hours
| Price : $123.99Post Date : Nov 25, 2011 03:30:53 | Usually ships in 24 hours
APS-300 Have Power on the Go! A power inverter converters DC battery power into conventional AC power which can run all kinds of personal electronics and mobile office equipment such as Laptops, Gaming Consoles (PS3, XBOX 360) MP3 Players, Cell Phone Chargers, DVD Players and more! Features: -Anodized aluminum case. -One 3-prong AC receptacle. -Overload indicator. -Built-in cooling fan. -DC outlet cables included.
- 300 watts continuous power
- 500 watts peak power
- Anodized aluminum case provides durability
- Built-in Cooling Fan
- Cigarette lighter plug
Tuesday, November 22, 2011
Solar panels MPPT allegation ambassador and 1500 watt Go ability authentic sine beachcomber inverter allotment 6
Solar panels MPPT charge controller and 1500 watt Go power pure sine wave inverter part 6 - Here I have 750W going into the input and there is ZERO sun out so I'm lucky to be getting anything going in. I now have the 1150W of panels hooked up but the panels are all laid out on the ground while I build their mount. Next steps are to build the mount and get these panels up in the air and off the ground! I should gain a few HOURS of solar time when these are off the ground. More to follow! UPs is a term used when talking about UPS's called a un-interruptible power supply.
OSP 1500 Pure Sine Inverter Test. Is it absolutely Pure Sine?
I found this inverter on Ebay for 9.00 plus S&H. After weeks of search, I found no information about its quality and I had even more questions! 1) Was this really in fact a Pure Sine Inverter? 2) Would it be able to run a motor or a Microwave? 3) Would it be noisy or overheat? I ordered it anyway and found it to be quite a nice unit. When the power turns on, the fans come on for a couple seconds and use 1.6 or so amps/h then the fans stop and the unit uses only on stand by 1/2 an amp. When running a microwave, a motor, blender , toaster, it remains cool and quiet and the fans stay off. This was my experience for all the appliances I used. I hope this video makes it easier for you to decide if this unit is the one for you. RL
Monday, November 21, 2011
Things To Know Before Hiring Electricians
The topic of electrical work and electricians is a broad ranging subject due to the fact that electrical work can take a litany of forms. When most people think of electrical work the first thing that comes to mind is electrical wires. How much can wires cost? The answer to that is not a whole lot but unfortunately the actual wires themselves are a small part of the total cost of an electrical job if everything goes right.
Its the things that the electricians are going to connect the wires to that can run you the big money and if it is a difficult job the labor involved can also really add up. Before you begin talking to any electricians you need to finalize as best as you can an exact plan and blue print of just what is going to be done and how it is going to be done. Once you have your final plan and blue print in hand you can then get clear estimates on "parts and labor" from the electricians that you interview for the project.
Indecisiveness is common with homeowners and any electricians that you interview are going to "feel you out" for any signs of it and inflate their bid accordingly. If you have a crystal clear plan and detailed set of blue prints in your hand and can assure the electrician or electricians that are going to be doing the work that there will be no changes or adjustments then you will be in a far better bargaining position when it comes time to talk price.
At the same time you will want any electricians that you interview to be absolutely specific with regards to any hardware and aspects of the job that can give them an opportunity to jack up the cost midway into it. There are so many decisions that must be made with regards to light fixture styles, switches etc. and it can be difficult to decide with all of the choice options that are now available but the sooner theses decisions are finalized, the better it is for all parties involved in the job.
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Sunday, November 20, 2011
Modified Sine Wave Inverter - Cheaper and Still Effective
We live in a society fueled by electricity, and spending just a day without electricity could have serious hurdles for most of us. When we head out onto the road, into the wilderness, or anywhere else that lacks the familiar wall outlets of our home, we're essentially leaving behind some of our modern comforts. But a power inverter can let you add those well-loved AC outlets to anywhere you might be, whether you're afloat in your boat on the sea, relaxing at a campsite, or speeding across one of the nation's highways. In short, a modified sine wave inverter lets you take electricity with you.
A power inverter works by converting the DC charge in a battery into AC energy that you can use for other applications. You'll be able to plug your electronic devices into a standard outlet, and a good power inverter will also feature a USB port for charging up your favorite gadgets and gizmos. The inverters are sold according to their wattage capacity and the larger the wattage the more items or larger sized items it can handle. To figure out your wattage needs you need only multiply your items' total combine amperage needs by 120. This gives you the overall watts your modified sine wave inverter will need.
A power inverter is different from a pure sine converter because of the signal clarity it delivers. Using a modified inverter will create a less stable current that features spikes and dips in the signal. This can cause some sensitive equipment to work improperly or not at all, which is why those with very specific needs will likely want to consider a true sine wave unit. But a modified sine wave inverter is much cheaper than its counterpart and is usually all that most people require to run most of the devices they plan on using with it.
If you're looking for a way to add a radio to your campsite or keep the kids happy on a long drive, a power inverter is the certainly the best way to go about doing so. You'll be able to find a modified sine wave inverter with a wattage requirement of whatever you might require, and the smallest units are so portable and lightweight they can plug directly into your car's cigarette lighter. From one hundred watts to eight thousand, a power inverter is the best way to take electricity with you wherever you roam.
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