LT Panel Outgoing Busbar

Hi Dhar,

I solved a similar problem which needed longer power shutdown which I could not allow due to production requirement. This is done by installing temporary bus bar and transferring the supply to the temporary bus till the new bus was commissioned. How ever short time power shut down will be required to transfer the cables and will cost more.

I had a similar situation with a mountaintop radio transmitter in critical service.

The solution was to set a temporary panel in parallel to the existing panel, making the final connections while hot, and then isolate and repair the damaged area.

this is a pretty rough drawing, but with the set-up in place assembled cold, the hot connections are the final move,made by a qualified electrical worker. Switches in strategic places, wire markings and phase verification is essential depending on the length of the jumpers. Also the connections can be made with special clamping devices if absolutely necessary.

I am expecting this will be done professionally, but it sounds as if you have that under control.

Regards, CJM

I believe what everyone is trying to do is establish a by-pass switch prior to the repair. If you system is not set up for redundant or parallel feeds, which I assume it is not. Your options would be a hot-tie or a series of small shut downs.

Both solutions would require a coordinated effort between skilled installers and engineers who have experience in such a field.

I warn you due to the high risk involved, this is not a situation where a group of bloggers can give you complete instructions over this discussion. It requires a detailed knowledge of your situation and probably a hands on professional.

Hi Gray Haired old goat,

You are right in stating " Both solutions would require a coordinated effort between skilled installers and engineers who have experience in such a field."

It is the job of a highly experienced electrical engineer and the advice given is also expected to be carried out by competent and experienced Electrical Engineer and not an amateurs. It is mandatory rule that all electrical jobs are to be carried out by a qualified and licenced person. so when we give advice it is expected that the advice is executed by a competent person and should understand all safety precautions to be taken as per law of the state to avoid any electrical accident.

I have only stated my experience and I used to obtain prior approval of Electrical Inspector before carrying out any major temporary alterations as mandatory requirement and there is no scope of failure or accident