KSEB · Office Order · 26 Oct 2021
KSEB order on simpler solar plant testing and earthing (2021)
KSEB set up a technical committee with the Electrical Inspectorate and ANERT to make solar plant testing uniform across Kerala. The order records the installers' association's (KREEPA) proposals on earthing pits and isolators that the committee was asked to examine.
Open the office order (PDF) 0.6 MB
Reference: Office Order D (REES, SOURA, Sports & Welfare) No. 1215/2021
Key points
- Proposed: up to 5 kW, two earth pits, one for the DC side (structure, DCDB and DC surge protection) and one for the AC side, with no lightning arrester required.
- Proposed: above 5 kW and up to 30 kW, the same, plus a lightning arrester on its own earth pit.
- Proposed: above 30 kW, separate pits for the mounting structure, the DC side, the AC side and the lightning arrester.
- Proposed: earthing conductor of 6 sq mm copper, 10 sq mm aluminium or 70 sq mm GI flat, with pits 2 to 3 m apart.
- Proposed: no extra isolator or switch-fuse unit on the post beyond the Inspectorate's scheme.
- The committee, with members from KSEB, the Electrical Inspectorate and ANERT, was given two weeks to submit its proposal.
What this means for you
These were proposals sent to a committee, not a final rule on their own. Ask us what your section office currently checks at inspection.
Stuck at the section office?
We file the feasibility, registration and net-meter paperwork for every SEDNA installation.
Summary by SEDNA Energy Systems. The PDF is the authority; if anything here differs from it, the document wins.
