- Reaction score
- 88
So my equation looks like this;
I=230/0.22(Ze) = 1,045
I2=1,045*1,045 = 1,092,025
I2*0.1 (t) = 109,202
Square Rooted = 330
330/143 (70 thermoplastic not bunched) = 2.3
So I only need 2.3 mm earth, something must be wrong?
I=230/0.22(Ze) = 1,045
I2=1,045*1,045 = 1,092,025
I2*0.1 (t) = 109,202
Square Rooted = 330
330/143 (70 thermoplastic not bunched) = 2.3
So I only need 2.3 mm earth, something must be wrong?