In the case of cables of large bars, the minimum clear spacing measured between sheathings/ducts shall not be less than the larger of ______.
1
30 mm or 3 times diameter of cables.
2
40 mm or maximum size of cables or bar of nominal maximum size of aggregate plus 5 mm.
3
50 mm or 3 times diameter of cables or nominal maximum size of aggregate plus 5 mm.
4
60 mm or 2 times diameter of cables or nominal maximum size of aggregate plus 2 mm.