Which file should I choose?
NHP-Concept-Premier-IP66-Panelboard-CPR84SSO-DWG-2D-CAD-Block.zip is the original NHP Electrical Engineering Products archive. Its 3 drawing/model members include Panelboard_NHP_ConceptPremier_IP66 CPR84SSO_Front.dwg, Panelboard_NHP_ConceptPremier_IP66 CPR84SSO_Left.dwg, Panelboard_NHP_ConceptPremier_IP66 CPR84SSO_Plan.dwg. Match the member to Concept Premier IP66 Panelboard CPR84SSO before placing it.
NHP-Concept-Premier-IP66-Panelboard-CPR84SSO-DWG-3D-CAD-Block.zip is the original NHP Electrical Engineering Products archive. Open Panelboard_NHP_ConceptPremier_IP66 CPR84SSO_3D.dwg inside it to insert the supplied editable drawing into your layout.
