I have a 1/2 duplex to quote . This Premise has aluminum wiring. a repair was done on an outlet by an unauthorized person and the tenant had the outlet fail after the repair and lost power to a whole general purpose branch circuit.Anyhow now there is a compliance order to have all the electrical inspected. one of his orders is to megger each branch circuit. would 30 mins per circuit be too low for time.
I will be using the info in the pigtail thread for the alum related issues.
Well a megger is to test your insulation only meaning not a connection of terminals or contact resistance or a joint .
I think 30 minutes is not enough time to open up all the joints ?
Our company many years back would take a copper to aluminum crimp and high press it on each joint or connection meaning each device .
Aluminum to copper.
The crimps where purchased from a company that supplied them just for that purpose fire insurance electrical protection .
This was done so that no device had a aluminum attached to it also you had your home owners insurance lowered if you had it inspected by the local electrical dept .
This was a service dept thing for many years here in orlando in the 70 s not a lot of alu wire branch circuits used anymore in housing .
You only see it in commercial work or service conductors in a home .