Published: 10 March 2019
Category: Q&A
What should be the earth conductor cross-sectional assessment be running four-core?
This Q & A is one of thousands posted in our Technical Expertise area, and answered by our Voltimum Experts.
Question:
If you are running a 300 sqmm four-core cable to another building on site, what should be the earth conductor cross-sectional assessment (CSA) be?
Answer:
The size of a protective conductor should be determined in accordance with regulation 543.1.1 and should be either calculated in accordance with regulation 543.1.3 or selected in accordance with regulation 543.1.4 and Table 54.7.