277v is often used for industrial lighting. See NEMA 7 plugs/recepticles. This is a single phase of a 480v three phase system. Maybe you're tapping into a lighting power panel? Interestingly... I've heard that the Tesla Model S chargers are being built to take up to 277 v. I imagine being...
I believe that older white stickers do not do this. I've observed that stickers numbered > 10000 are different from those < 10000. The newer ones have holograms, and the older ones do not. I suspect that the DMV had old, less secure, stickers and issued those until they ran out and then gave...
I have a Landis+Gyr meter with which I was able to see hourly usage via the PG&E website when I was on the E-1 tariff. However, when I switched to the E-9A Tariff I could no longer see my hourly usage. But it's still a "smart meter" in that it is radio communicating my usage to PG&E. When I...
Science can be so difficult for the simple minded. As I recall some study say 15 years ago... The study was to see what plants benefit or suffer with an atmospheric increase in CO2. Basically the result was the fastest growing plants liked the increased CO2 which mostly was the weeds. Slower...
There are a lot of the white stickers in commercial fleets. AT&T and PG&E have many trucks which use CNG and have the white stickers. That seems cool to me. You want utility service/repair to get to locations quickly. CNG is a great option for these fleets. You install the CNG compressors...