Hinged Raceway Wire Clip, 2900 Series (1 1/2"W x 3/4"D) MFG Part Number: 36940 Description Hinged Raceway Wire Clip, 2900 Series (1 1/2"W x 3/4"D), Use One Every 2 ft. (0.6 m), Quick Facts * * Use one clip every two feet (0.6 m) on your 2900 Series Raceway. Guaranteed for life!!