Which method you use to install spotlight with no access above ceiling ?

[King84]

Which method you use to install spotlight with no access above ceiling ?

Do you make holes under joist and fish wires and then later how do you fill them? or how do you overcome this and at the same time try to respect regs?

 

[SJD]

There was a thread about this a couple of days ago, not quite the same question, but you might want to read it:
https://www.electriciansforums.net/threads/approach-for-downlight-install-requests.190850/