Originally Posted by
Sirscrapalot
2nd...the pipe cover things..no idea! I'd call it a pipe cover thing.
Originally Posted by
spinroch
They are called EMT Couplings
(Electrical Metallic Tube)
Also known as thinwall couplings. It's pot metal. Not aluminum. If it were aluminum the threads would strip out too easily.
As for the flex and bx, magnetic is steel, non-magnetic is aluminum. Generally speaking, if it came from the manufacturer with the wires inside, it's bx. No wires inside, it's generally just called flex.
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