Pacer's 16 AWG marine wire is manufactured to handle harsh marine environments. It is designed to meet and exceed the most stringent specifications. All Pacer marine wire is manufactured in-house in Sarasota, FL USA to ensure the highest level of quality. Built from Type III class K tinned copper, this wire offers excellent flexibility and durability. The tinned copper conductors also resist corrosion which adds to the life of the wire. When the copper is tinned, the next step is insulating it with a flexible yet durable PVC jacket. The insulation makes the wire resistant to a variety of hazards. These include; alkali, abrasion, acid, gas, oil, flame, and moisture. What standards and compliances does Pacer's 16 AWG marine wire meet? This marine wire exceeds the requirements and standards of UL, ABYC, and NMMA.This UL marine primary wire (EDMO# WUL16RD250) is 16 AWG, has red PVC insulation, and comes on a 250 ft spool.