Transformer

From: Marvin <marvin_at_rain.org>
Date: Sat Sep 19 00:41:18 1998

Max Eskin wrote:
>
> I looked in Radio Shack, at some step-down transformers for 'traveling
> abroad'. There is a price range, with some 'for heating appliances
> only' (the cheapest) and the higher priced ones allow motors, and
> the $34 ones allow electronic devices. What is the difference among
> these units? Also, could a transformer such as in these theoretically
> be reversed and used for step-up purposes?

The ones for heating appliances are basically some type of switching
circuit, while some of the others are actually step up/down transformers. I
have seen some of the units capable of 220 to 110V operation and vice versa.
Received on Sat Sep 19 1998 - 00:41:18 BST