STRAIN RELIEF (278-1636a) Specifications Faxback Doc. # 33910 1. The size of the recommended hole to mount the different strain reliefs. (SPT1/SPT2) SPT1: ....................................... (A) 9.5 MM X (B) 8.7 MM SPT2: ..................................... (A) 12.7 MM X (B) 11.8 MM 2. The recommended thickness of the metal chassis to mount the strain reliefs. (SPT1/SPT2) SPT1: ........................................... (F) 0.5 MM - 1.6 MM SPT2: ........................................... (F) 1.9 MM - 2.5 MM 3. The recommended wire size that can be used with the strain reliefs. (SPY1/SPT2) SPT1: ....................................... 3.0 MM X 5.6 MM APPROX. SPT2: ....................................... 3.8 MM X 7.6 MM APPROX. 4. The required minimum pull force to remove wire from the strain relief. (SPT1/SPT2) SPT1: ................................................... 35 lbs/min. SPT2: ................................................... 35 lbs/min. (BR/EB 6/27/96)