Answer:
325 inches-pounds
Explanation:
Tightening technique guide suggests that;
4/0 kcmil ---requires---→250 in-pounds tightening torque with 500 split-bolt
250kcmil ---requires---→325 in-pounds tightening torque with 650 split-bolt
300kcmil ---requires---→325 in-pounds tightening torque with 650 split-bolt
350kcmil ---requires---→325 in-pounds tightening torque with 650 split-bolt
400kcmil ---requires---→325 in-pounds tightening torque with 825 split-bolt
