T-Grid Box Hanger | Twist Clip With Wing Nut | Acoustical, Ceiling and Partitioning, Electrical | Suitable for Use With All Forms of Equipment Protection Permitted in Zone 1, Zone 2, Zone 21 and Zone 22 Provided Always That the Prevailing Code of Practice for Selection and Installation Is Observed | Use Polypropylene Line With Manual or Power Fishing Systems for Light Duty Cable or Rope Pulling ApplicationsFurbay Electric Supp