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1940s Antique Switch Plates & Outlet Covers for sale | eBay
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Nostalgia from the 1940s, various 3 pin outlets - ECN Electrical Forums
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Museum of Plugs and Sockets: pre-NEMA types
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Leviton 690-W Recessed Duplex Receptacle, 125 Vac, 15 A, 2 Pole, 3 Wire, White, Wall Outlets - Amazon Canada
What the house is that? The five-plug outlet | House and Hammer
