The 62-160 Pro Tone Generator is used to The 62-160 Pro Tone Generator is used to send an analog tone signal over copper cables to aid in identifying the location and identification of the cable. The signal is picked-up or amplified by using the 62-164 amplifier probe (sold separately). The tone generator has both RJ-11/12 and Coax F-female ... More + Product Details Close
The article says it “may” cost you more. Meanwhile ive seen articles describing how installer have shortened previous install times from days to hours. Costs continue to decrease, probably from healthy competition. Your best DIY time is spent understanding the available technology, financing options, incentives, tax breaks, and where vendors will willingly compete for your business. The combined incentives are substantial, in some cases 60% of total cost, not including the reduced power bills. My advice is to Learn the costs and technology and ask for itemized quotes that include; panels, mounts, inverter(s), cables, meter, misc hardware, and most of all, labor. Incentives and discounts should also be separately itemized. Major components should include suppliers and model/part numbers. Car repair vendors are required to do this by law. I can think of no reason why this should be any different. If they wont quote component prices at least insist on supplier/part numbers so you can cost them yourself. If they wont commit to part numbers then cross them off your list. There are plenty of vendors out there. Base all figures assuming you will buy and own the system. You can quote financing, leasing, and service options separately. Get several contractor quotes and compare. You can readily price the same parts from online suppliers, then calculate the markup for each quote. As some have already noted here, the markup can be very high. Is the vendor making $10+K profit for a one or two day install? Published data shows that half the nations installers quote flat rates of $4.90 per KW – thats $25,000 for a 5KW system! And most people are unaware of the markup. Solar vendors have honed the “Green Power” pitch to the calculator challenged. The tax breaks and incentives make this worse. Legislators please take note. Incentive rules have produced a Cartel, where most incentive $$$ go to contractors at the expense of the consumers. Please join me, to the degree that you are able, to be an informed consumer. I am particularly offended by sales people who ask for my birthday (credit check) in the first minute. I am in the market for a solar power products and might later be interested in their financing, but only if it suits me. Birthdays are a major source of identity theft. Say no until its the proper time to discuss financing and then insist they put in writing their legal obligation to prevent disclosure. Solar power is becoming mainstream and economical. some helpful info. 1) For comparison, panels are specified by max power, aka “Standard Test”. Typically 200 to 300+ watts per panel. 2) add up past 12 power bills to get an daily average KW-HR usage. 3) Size your system to provide daily average in a few hrs. Example: 5KW system provides 20KW-HR in 4 hrs. 4) panels generate about 12 to 14 w/ft-sq. 5KW needs ~ 400 ft-sq. Or (20) 250 watt panels. 5) you need south facing surfaces. See panel sizes for how to arrange and fit on your roof or possibly ground area. 6) panels are available at http://www.wholesalesolar.com, prices are $0.90 – $1.20/watt. Look for durability and warranty. 7) Grid tie inverters will run $2000 to $3000 for 5 to 10KW system. Look for efficiency, monitoring, and warranty. 8) Fed provides 30% tax credit. Find your state incentives for tax relief, low interest loans, permit rebates, etc 9) Power companies need renewable sources (you!) and they are reluctant to inform you about it 10) “Grid Tie” systems are most typical. “Backup” and “Off Grid” systems require more (serious DIY!) research. 11) Some places have complicated permitting. See “CPF DOE Permitting study” at https://solarpermit.org Good Luck!
So how does a seemingly simple looking panel harness sunlight and transform it into electricity? Solar panels contain photovoltaic cells. These cells are where the conversion from light to electricity takes place. The cells must be made of a material like silicon or a similar single cell semi-conducting material. As light enters the cells, the semi-conductor pulls the energy in the form of electrons from it and allows them to flow through the material. In essence, this flow is actually a current. While the absorption of the light into the cell is enough to free electrons, the cells also contain an electric field that can steer the electrons where they need to go. The current is then steered to the bottom of the panel where it can then be collected and drawn for use externally.
Going forward, there is hope for the small wind future! Certification programs are under way in various places to provide real turbine performance data. In North America this is being spearheaded by the Small Wind Certification Council, which requires third-party certification of turbine performance in a standardized fashion. Manufacturers will no longer be able to fudge power curves, or specify ‘rated power’ at hurricane-force wind speeds. This will allow you, the consumer, to compare turbines on a much more even footing.
Some solar panel system setups have a single inverter (often called a “string” inverter) for the entire system. Some have a microinverter attached behind each panel. The most important thing to know about inverters is that they convert DC electricity, produced by the solar panels, into alternating current (AC) electricity. That’s the good stuff that powers your home. Now we’re getting somewhere.
Flagging—The deformation of local vegetation toward one direction, indicating the prevailing wind direction and relative strength (more formally called Krummholtz formation). Flagging is sometimes used with the Beaufort scale to generate an initial estimate of local site conditions. (Note: flagging does not determine the wind resource, but is a confirming indicator of it. For example, sometimes flagging is the result of sunlight availability, or trimming of tree branches near electrical lines. The assessor needs to understand when flagging is relevant, or when it is a confirming indicator of another condition at the site.)
Should you lease your panels? Solar leasing is available in about half the states. The company installs solar panels for you in exchange for letting it collect your government incentives. Much like leasing a car, you don’t pay much, if anything, upfront, but you pay the company a monthly rent for as long as 20 years. Problem is, when those years are over, you don’t own anything. Either the company will remove the solar panels or you still have to buy them. A PPA or “power purchase agreement” is similar to a solar lease, only instead of paying rent, you agree to pay for the power the company’s panels produce.
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