Aluminum core crimp end caps used with copper wires? : r/AskElectricians

My landlords are trying to convince me that the white cable in this picture is a coax and not a cat5. I've had two separate internet technicians plus their manager tell me

Can I solder the ends of stranded 14/2 wire to help install into light boxes? : r/AskElectricians

Crimping Copper Aluminium Cables, Cable Lugs

IDEAL Crimp Wire Connectors Steel (50-Pack) in the Wire Connectors department at

Aluminum to Copper crap splice : r/electricians

IDEAL Splice Cap Copper Crimp Connector (50 per Box) 2011S - The Home Depot

Does anyone have experience with these in line wagos? (see my comment) : r /electricians

Glarks 100Pcs Copper Wire Lugs with Heat Shrink Set, 50Pcs UL Listed Battery Cable Closed Ends Bare Copper Eyelets Tubular Ring Terminal Connectors with 50Pcs Heat Shrink Tubing Black, Red: : Industrial

How can I connect these Aluminum wires to these Copper Wires with what I have? : r/AskElectricians

Copper clad aluminum safe to connect to copper romex? : r/electrical