This range of 3M products with the "Command" adhesive strips are all really quite effective and strong. Allowing you to remove them when you need to (hence the "Command" in the name). They all seem to be good but they are all quite expensive for a few strips!

They were used to secure cables from lights with twine balls to a wooden surface, and they appear to have been securely fastened without any detachment in the 2 weeks they were installed.