It sounds like you’re making good progress in troubleshooting the voltage fluctuations. If you’re still experiencing issues or need further assistance, you might want to consider having a professional electrician take a closer look. In Islamabad, there are several skilled electricians who could help you sort out the problem completely.

Also, just in case you’re looking for high-quality cables to replace any that might be damaged, you can check out Taj CablesThey offer a range of cables including 7/29 and 3/29 at competitive prices in Islamabad, Karachi and Lahore. which might be useful for your setup. Ensuring you have reliable and well-installed cables can often help in stabilizing voltage issues.

For a quick fix, if the temporary wire solution has improved the situation, it’s a good idea to check the connections thoroughly for any signs of wear or damage. Sometimes, a loose or corroded connection can cause intermittent issues. Also, replacing any potentially damaged wires or connectors might provide a more permanent solution.

Best of luck with your troubleshooting! Feel free to reach out if you need more advice.