Took this exact one on Harmony of the Sea in December and used it out in the open the entire time, zero issues.

https://www.amazon.com/Cruise-Approved-Power-Standard-Outlet/dp/B09W533ZZG/ref=sr_1_1_sspa?crid=23KSP5F5ZNTGP&keywords=cruise+ship+power+strip&qid=1674509909&sprefix=cruise+ship%2Caps%2C409&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzMEdFNEVPNTRDVVRXJmVuY3J5cHRlZElkPUEwMzU2MzE0MjNGVFRZVVdaNllLMSZlbmNyeXB0ZWRBZElkPUEwMDg3NTEwU1lUQVRMWFYwOVdMJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==