Heyco Cable Glands in the Solar Masthead II Cord Grips offer flexibility to use from 1 to 13 of the available holes while still providing a liquid tight seal (IP68) around the wire. • Designed for solar rooftop installations. • These Multi-Hole Cable Glands provide a watertight seal (IP68) for PV module output leads to inverters. • Secures input PV leads from solar panel array strings to fuse holder hookup within solar combiner boxes. • UV resistant nylon construction with TPE or Buna N Sealing Gland resists salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. • Solar Masthead II Cord Grips provided with assembled metal lock nut.