Hi people, any ideas what the thing circled in red is?

[ewandingwall]

 

[littlespark]

Does it mean that those components are found in a different enclosure, or maybe outside the enclosure when everything else is inside?

 

[PS Electrics]

View attachment 118943

Not sure if this helps or not?

 

[westward10]

 

[ewandingwall]

View attachment 118949

That's perfect thanks. Can i ask where you got that diagram from? thanks again

 

[westward10]

I randomly found it online.

Protection schemes for generators and motors | EEP

It is difficult to define precisely the protection schemes that should be adopted for an electricity distribution system, given the large number of valid

electrical-engineering-portal.com

 

[James]

I was wondering if it was a symbol for a cable joint,
wasn't sure, so i didn't post and run the risk of showing myself as an imposter that knows nothing.

I think my secret is safe!