The tech giant has asked its customers to stop using certain adapters - the AC wall plug adapter (shipped with Macs and some iOS devices from 2003 and 2010) and its three-pronged plug from the World Travel Adapter kit - due to a risk of electric shock.
In a statement, Apple said: "In very rare cases, affected Apple three-prong wall plug adapters designed primarily for use in the United Kingdom, Singapore and Hong Kong may break and create a risk of electrical shock if exposed metal parts are touched.
"Customer safety is always Apple's top priority and we have voluntarily decided to exchange affected wall plug adapters with a new adapter, free of charge."
The company said six incidents have been reported, but it's not clear how many people have received electric shocks from the products.
It's noted that the affected plugs are white with no letters on the inside slot, while newer versions are white with grey on the inside, and an indent on the side to make it easier to unplug them.
As BBC reported, Apple's USB power adapters are not affected by the the controversy.
However, there has been an identical issue with two-pronged adapters sold for use in Australia, New Zealand, Continental Europe, Korea, Argentina and Brazil.