(Describing transformers for large signs running 30 and 60 mA at 15KV so 450 and 900 VA (roughly, watts).)īy comparison, a simple "Open" sign (with the letters and a light-up frame) may draw just 75 Watts or so.Ītlant 00:23, 21 September 2006 (UTC) ON the contrary, neon lamps are 100% efficient.Neon lamps aren't especially efficient (at producing light - clarification added). How much electricity would a small, typical neon sign use compared to a 90 watt incadescent bulb? ![]() Heron 21:48, 22 August 2005 (UTC) neon consumption of current Other sources say a carbon button low-pressure discharge lamp. Tesla's lamp must have been some other kind. The page for neon says neon wasn't discovered until 1898, but this page says neon lamps were on display at the 1893 world fair. The point being, the astute viewer sees a movie, and he wants to know what time the movie depicts. What this page needs desperately is to tell the history of neon light signs (foremostly in America, secondly in Europe, and then in the rest of the world).
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