HOW TO DESIGN YOUR CABLE
The following information will help you figure out what you need for us to make your ground cable or cluster meet your specific needs.
What Size Cable Do You Need?

Cable Size	ASTM Grade	15 Cycles	30 Cycles
		Withstand Rating kA (60Hz)*
#2	1	14	10
1/0	2	21	15
2/0	3	27	20
3/0	4	34	23
4/0	5	43	30

*Withstand properties are based on performance with surges not exceeding 20% asymmetry factor.

The above chart is from ASTM F855 Standard Specification for Temporary Protective grounds to be used on de-energized electric power lines and equipment.

The appropriate Copper ferrules will be selected on the cable size.