The cable to port 230 should have min 2mm5^2 due to the large number of devices (receivers) are connected to the relays (for total power control devices in this segment of less than 2kW) .
cable kwa bandari 230 wanapaswa kuwa min 2mm5 ^ 2 kutokana na idadi kubwa ya vifaa (kupokea) ni kushikamana na RELAYS (kwa jumla ya nguvu ya kudhibiti vifaa katika hii sehemu ya chini ya 2kW) .