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We have removed our minimum quantity requirement! Now you can order even one single panel at our record breaking $2.40 per watt. This is for our brand new (not blemished, not restocked or refurbished), UL Listed 180W, 25 years 85% guaranteed (check whether anyone else is offering that) poly-crystalline panel. We are experiencing some backlog of orders for this so your panels may not be shipped immediately.
Basic breakdown of prices:
For quantity 1 - 19, $2.40 pet watt, (only our 180W poly for now), lowest price anywhere,
for quantity 20 - 200, $2.30 pet watt, any model sizes, lowest price anywhere,
for quantity 200 and up (container delivery), $2.25 pet watt, lowest price anywhere,
for larger quantities ask for price ideally through our contact us form
The warranty on our panels is unmatched 25 years for 85%, 12 years for 90% and 5 years full guaranty!
Compare to: 25y/80%, 10y/90% and 2 years full - for most of what other vendors sell you!
There are no lower pirces and better warranty anywhere!
We have per-contaier-pricing ($2.25 per Watt) on all sizes from 75 - 290W poly and 40 - 240W mono! UL listed are only 160 - 185W mono and 160 and 290W poly. We have the cheapest solar panels! If you show us lower prices than ours being offered we will give you a price cut 10c per watt under theirs. Special pricing for large orders! Let us know if you are ordering more than a couple of kW. We have the best variety of sizes (power ratings)! If you show us better variety of sizes (power ratings) offered by another vendor or catalog we will give you a price cut 10c per watt under our listed prices. We have all panel sizes (power ratings) from 40W to 280W. Please contact us if you are not seeing these products listed. More details on our About page.

National Electric Code (NEC)

National Electric Code (NEC) – a document (book) published by the National Fire Protection Association (NFPA) that is used by most States with very little changes (usually a couple of pages of amendments for specific state) as their electric code. The the document specifying how in practice the professionals should identify different electric systems and component – hence the important reason to mention such book in a glossary like this.
The National Electric Code in it’s newest editions (the latest one is 2008) has specific section for photovoltaics. Chapter 6 is Special Equipment and Article 690 is Solar Photovoltaic Systems.
The section talks in length about the identification of the different components in a solar photovoltaic system, different requirements to the design of the electric circuits.
A different section mentions the requirement for all components to be listed by a recognized testing laboratory. SolarByTheWatt.com has a good article about that and how UL is not the only company that does safety testing laboratory listing.

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