Below is my single cell formula that is only 1/4 of the way completed, however excel only allows one more argument before it hits its limit of 64 functions.
=IFERROR(IF(AND(E5<=10,E11=1,E14=1),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=10,E11=1,E14=2),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=10,E11=1,E14=3),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=10,E11=2,E14=1),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=10,E11=2,E14=2),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=10,E11=2,E14=3),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=10,E11=3,E14=1),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=10,E11=3,E14=2),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=10,E11=3,E14=3),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=12.5,E11=1,E14=1),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=12.5,E11=1,E14=2),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=12.5,E11=1,E14=3),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=12.5,E11=2,E14=1),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=12.5,E11=2,E14=2),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=12.5,E11=2,E14=3),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=12.5,E11=3,E14=1),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=12.5,E11=3,E14=2),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=12.5,E11=3,E14=3),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=16,E11=1,E14=1),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=16,E11=1,E14=2),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=16,E11=1,E14=3),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=16,E11=2,E14=1),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=16,E11=2,E14=2),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=16,E11=2,E14=3),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=16,E11=3,E14=1),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=16,E11=3,E14=2),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=16,E11=3,E14=3),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=20,E11=1,E14=1),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=20,E11=1,E14=2),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=20,E11=1,E14=3),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=20,E11=2,E14=1),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=20,E11=2,E14=2),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=20,E11=2,E14=3),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=20,E11=3,E14=1),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=20,E11=3,E14=2),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=20,E11=3,E14=3),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=25,E11=1,E14=1),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=25,E11=1,E14=2),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=25,E11=1,E14=3),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=25,E11=2,E14=1),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=25,E11=2,E14=2),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=25,E11=2,E14=3),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=25,E11=3,E14=1),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=25,E11=3,E14=2),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=25,E11=3,E14=3),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=32,E11=1,E14=1),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=32,E11=1,E14=2),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=32,E11=1,E14=3),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=32,E11=2,E14=1),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=32,E11=2,E14=2),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=32,E11=2,E14=3),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=32,E11=3,E14=1),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=32,E11=3,E14=2),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=32,E11=3,E14=3),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=40,E11=1,E14=1),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=40,E11=1,E14=2),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=40,E11=1,E14=3),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=40,E11=2,E14=1),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=40,E11=2,E14=2),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=40,E11=2,E14=3),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=40,E11=3,E14=1),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=40,E11=3,E14=2),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=40,E11=3,E14=3),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,9,0)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),)
=IFERROR(IF(AND(E5<=10,E11=1,E14=1),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=10,E11=1,E14=2),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=10,E11=1,E14=3),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=10,E11=2,E14=1),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=10,E11=2,E14=2),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=10,E11=2,E14=3),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=10,E11=3,E14=1),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=10,E11=3,E14=2),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=10,E11=3,E14=3),VLOOKUP(1,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=12.5,E11=1,E14=1),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=12.5,E11=1,E14=2),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=12.5,E11=1,E14=3),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=12.5,E11=2,E14=1),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=12.5,E11=2,E14=2),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=12.5,E11=2,E14=3),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=12.5,E11=3,E14=1),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=12.5,E11=3,E14=2),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=12.5,E11=3,E14=3),VLOOKUP(2,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=16,E11=1,E14=1),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=16,E11=1,E14=2),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=16,E11=1,E14=3),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=16,E11=2,E14=1),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=16,E11=2,E14=2),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=16,E11=2,E14=3),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=16,E11=3,E14=1),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=16,E11=3,E14=2),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=16,E11=3,E14=3),VLOOKUP(3,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=20,E11=1,E14=1),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=20,E11=1,E14=2),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=20,E11=1,E14=3),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=20,E11=2,E14=1),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=20,E11=2,E14=2),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=20,E11=2,E14=3),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=20,E11=3,E14=1),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=20,E11=3,E14=2),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=20,E11=3,E14=3),VLOOKUP(4,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=25,E11=1,E14=1),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=25,E11=1,E14=2),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=25,E11=1,E14=3),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=25,E11=2,E14=1),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=25,E11=2,E14=2),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=25,E11=2,E14=3),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=25,E11=3,E14=1),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=25,E11=3,E14=2),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=25,E11=3,E14=3),VLOOKUP(5,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=32,E11=1,E14=1),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=32,E11=1,E14=2),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=32,E11=1,E14=3),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=32,E11=2,E14=1),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=32,E11=2,E14=2),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=32,E11=2,E14=3),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=32,E11=3,E14=1),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=32,E11=3,E14=2),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=32,E11=3,E14=3),VLOOKUP(6,'Minimum Creepage 2N'!A1:I44,9,0),IF(AND(E5<=40,E11=1,E14=1),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=40,E11=1,E14=2),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=40,E11=1,E14=3),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,3,0),IF(AND(E5<=40,E11=2,E14=1),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,4,0),IF(AND(E5<=40,E11=2,E14=2),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,5,0),IF(AND(E5<=40,E11=2,E14=3),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,6,0),IF(AND(E5<=40,E11=3,E14=1),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,7,0),IF(AND(E5<=40,E11=3,E14=2),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,8,0),IF(AND(E5<=40,E11=3,E14=3),VLOOKUP(7,'Minimum Creepage 2N'!A1:I44,9,0)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))),)