# What happens if I use a 240v clothes iron in USA?

Since all it really is is a heating element, what happens if I use a 240v/50Hz clothes iron with a 110v/60Hz supply?

• Be careful: if it's a fancy-schmancy iron with tilt sensors, auto-timeout, etc., you might make the low-voltage electronics unhappy. – Carl Witthoft Nov 30 '15 at 12:22
• You might, although if it is fancy-schmancy, it is very likely the low voltage power supply is done right and will do its job both for 110V and for 230V... – 50k4 Nov 30 '15 at 15:37

• P = IV so why the 1/4 to 1/2 ratio? – Steve Lorimer Nov 30 '15 at 2:14
• @SteveLorimer - It's P = V^2/R variant in this case, not P = VI – user16 Nov 30 '15 at 2:56