
These are great for back-up power (e.g. when running a small generator) as they can be connected together to be used as extension cords too will. What sets these adapters apart from their cheaper competitors is that you literally feel the build quality and don't get the lingering "it'll start a fire" feeling that I get from most T-adapters that I've found. in shops. I bought a few for my backup power kit and won't hesitate to buy more.

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