![What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK](https://external-preview.redd.it/8PzBcm2bJHaKqN1cU6zpENs_peXfyRU_eSNp_rfi__c.jpg?width=640&crop=smart&auto=webp&s=e7a0e4aaa6a87cd8eabe33806319eebd243edade)
What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK
![Electrical power cable IEC standard on white background. Cross-section. Cable jacket, wire insulations in brown, blue and yellow-green with flexible stranded copper wires. Macro close up photo. Stock Photo | Adobe Stock Electrical power cable IEC standard on white background. Cross-section. Cable jacket, wire insulations in brown, blue and yellow-green with flexible stranded copper wires. Macro close up photo. Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/01/33/88/85/500_F_133888501_xakA3ETxnW4ai08uQx0kCZtD90xerbue.jpg)
Electrical power cable IEC standard on white background. Cross-section. Cable jacket, wire insulations in brown, blue and yellow-green with flexible stranded copper wires. Macro close up photo. Stock Photo | Adobe Stock
![electrical - Australia: Which wire is hot / active and which is neutral? - Home Improvement Stack Exchange electrical - Australia: Which wire is hot / active and which is neutral? - Home Improvement Stack Exchange](https://i.stack.imgur.com/F5GrW.jpg)