STAR TECK® BondStar® grounding locknut with aluminium for data and control panel applications or any other installation that is highly sensitive to floating voltage differences, the complete range of STAR TECK EXTREME® fittings (1/2 inch to 4 inch hub sizes) is also available with a 3-position grounding locknut including an open-sided lay-in lug made of tin-plated aluminium. With a #4-14 AWG wire range, the CSA and UL approved grounding lug can be positioned on the most accessible of the three grounding locations on the circumference of the installed grounding locknut.