B
besenzig
Hi
Installing a 9.5Kw shower circuit and need to establish the Zs value.
The setup is:
1. Isolator at the supply
2.Tails going to Wylex Switchfuse 60A where 16mm 3 core SWA is terminated (3rd core used as Earth)
3.The SWA then goes to a metal adaptable box next to the CU where it is terminated.
4.The L+N then go to a Wylex isolator
5.From the isolator 25mm meter tails to the CU
The SWA sub main was installed because the meter is at the from of the house and the CU is under the stairs in the house approx 6 meters away.
Option1. Am I right in thinking that I do a R1+R2 of the 10mm shower cable + the R1+R2 of the submain SWA + Ze at the origin.
Option 2. Or can I do a R1+R2 of the shower circuit and measure the Ze at the adaptable box near the CU where the SWA is terminated.
Your advice would be appreciated.
Installing a 9.5Kw shower circuit and need to establish the Zs value.
The setup is:
1. Isolator at the supply
2.Tails going to Wylex Switchfuse 60A where 16mm 3 core SWA is terminated (3rd core used as Earth)
3.The SWA then goes to a metal adaptable box next to the CU where it is terminated.
4.The L+N then go to a Wylex isolator
5.From the isolator 25mm meter tails to the CU
The SWA sub main was installed because the meter is at the from of the house and the CU is under the stairs in the house approx 6 meters away.
Option1. Am I right in thinking that I do a R1+R2 of the 10mm shower cable + the R1+R2 of the submain SWA + Ze at the origin.
Option 2. Or can I do a R1+R2 of the shower circuit and measure the Ze at the adaptable box near the CU where the SWA is terminated.
Your advice would be appreciated.