Best get these standard, generic, everyday grounding adapters for when you have a three-prong grounded plug and an old-fashioned two-prong outlet. Our pkg(2) nets you (4) adapters. UL.
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Time was, these NEMA 10-20 female receptacles were standard for large air conditioners, and if you need one, we've got 'em. These are Hubbell brand, 3-screw terminal type with a pair of mounting holes on the sides. Rated for 10A at 250V and 15A at 125V.
You get no points for guessing why this is called a dog-bone adapter, but if you own an RV you know anyway. This has a 9" 12/3 AWG cable between the standard grounded male plug at one end and the female RV/mobile home receptacle at the other. (It's 12" overall.) Rated for 15A at 125VAC.
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Our web site always contains everything we have available for sale outside our retail stores. Typically, new items are listed on the site before they get published in our catalog...
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In addition to this fabulous on-line catalog of incredible stuff, American Science & Surplus has three great retail locations. If you're in the neighborhood, please stop by! Store hours may vary. Feel free to call for store hours and directions.