• AA5B@lemmy.world
    link
    fedilink
    arrow-up
    5
    ·
    17 hours ago

    Can’t tell which those are but

    • “back stab” where it is held by friction, common to consumer receptacles, have a poor reputation for failing. Don’t use them

    • “back clamp” (don’t remember what they’re called), common to “pro” receptacles is clamped down by tightening the screw. Much more reliable