I heard that and sent NCL a quick email asking the same thing if I hear back will let you know.
Hi just received this back from NCL but never answered my question which is if I use the adaptor then UK plug will it fit in or is furniture in the way so just asked again but here is the following info from them.
Dear Ms. Roberts; below is information in regards to our ship’s electrical current. And again thank you for choosing NCL.
Photograph is the US two pin prong but wouldnt print out on this
The current onboard is 110 & 120 volts AC. However, some high-voltage hair dryers, electric rollers and electric razors may require a converter.
Phone 1(800)327-7030 Fax (305) 436-4143
Norwegian Cruise Line®
7665 Corporate Center Drive, Miami FL 33126