grounding system connection of two rail sections by ground bar lug. grounding system connection to equalize potential of the rails

metal hex technology feed ceiling continuously cell connection equalize supporting light panels continual grounding installing glass torque rail line potential solar wing coordinate lighting bracket flooring furniture mounting track sheet window assembly joint ground tighten wall wood screw floor compression continuity system wire connect room engineering engineer roof photovoltaic lug white sections electrical clip rails two design equipment lock iron bar construction splice