UL Standards free download UL 676-2015 pdf download – Underwater Luminaires and Submersible Junction Boxes UL 676-2015 pdf download - Underwater Luminaires and Submersible Junction Boxes. 6 General 6.1 A luminaire shall be constructed to provide mechanical strength appropriate for the stress it is likely to encounter during installation and use. 6.2... 02-09 Download Now