I spent a year living in Bogota Colombia. The first few months
there, I had to have auto transformers for the US appliances. The
voltage was around 150 volts phase to neutral. I had to do some
funny stuff on the dryer. Motor stepped down to 120 and the
heating element at 150. Took a bit longer to dry. During the
time I was there they switched to 120. All of sudden step down
transformers became real cheap. It was 60 Hz, I remember that
because I had taken a 28 KSR with me. The dryer then took another
change to get the heating element to run on the 208 phase to phase
and the motor on 120.
Wondering how standardized the US supply is these days. Over
time and places I've seen 115, 117 and 120 as the stated line
voltage. I never researched it at the time, but when I moved to
TX from IL, I notice my light bulbs seemed to last shorter times.
I know there was a 130 volt bulb sold as a long life bulb you
could install in hard to reach places. But I'm wondering if they
ever sold 115 volt bulbs in one part of the country and 120 in
other parts?
--- ---- You said "tomorrow" yesterday. The above comments or recommendations are SWAG. Use at your own risk. John, W9DDD
On Thu, 9 Jun 2022, Doug Jackson wrote:We have been 240v since the dawn of time, then the Europeans mucked around with a standard and now we are 230v.Unless you were in Western Australia (pretty much a different country) where 250v was the norm (although still 50 Hz), until they joined the national grid.In typical Oz humor, we defined the voltage standard as being 230 V as the nominal voltage with a +10% to –6% variation at the point of supply, i.e., 253 V to 216.2 V.Yep :-)I had a mate of mine spend too much time in Europe and it made his brain go funny - He almost had a meltdown when I showed him the 240V from his mains socket...You should see (or, rather not), what 250v (plus spikes) will do to Euro-defined 220v stuff... -- Dave VK2KFU
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