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In one patent, U.S. patent 774,250 a plug was used with a socket which screwed into a lampholder (like the early lampholder plugs). In the other patent U.S. patent 776,326 the same type of plug was used with various three-way adaptors that could be connected to lampholders or "a receptacle of any ordinary type". Figures 2 and 4 of this patent ...
Plug adaptors permit two or more plugs to share one socket-outlet, or allow the use of a plug of different type. There are several common types, including double- and triple-socket blocks, shaver adaptors, and multi-socket strips. Adaptors which allow the use of non-BS 1363 plugs, or more than two BS 1363 plugs, must be fused.
Etsy. Etsy, Inc. is an American e-commerce company with an emphasis on the selling of handmade or vintage items and craft supplies. These items fall under a wide range of categories, including jewelry, bags, clothing, home décor, religious items and furniture, toys, art, as well as craft supplies and tools. Items described as vintage must be ...
First discovered 80 years ago in 1945, Promethium is a lanthanide (one of a series of 15 metallic chemicals also known as rare earth metals) with the atomic number 61, and in the following eight ...
A North American power strip with two USB power ports that includes a built in surge protector. A power strip (also known as a multi-socket, power board and many other variations) is a block of electrical sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from a single electrical socket.
It hasn’t worked out that way. Despite a promise in the contract reached with the Teamsters union last year, UPS has not yet purchased any new vans with AC, even as temperatures soar across the ...
Plug-in extension kits are available for customers with this type of installation. The two wires from the exchange are denoted the B leg at −48 V relative to ground when the line is not in use and the A leg which is near ground potential when the line is not in use. The A leg goes to pin 5 and the B leg to pin 2 in the master socket ...
50 Hz. (1) Nominal grid voltage according to regulation is 230/400 V, [44] but in practice, equipment with 220/380 V is more commonly used. (2) Types C and F plugs are officially recognized by SNI 04-3892.1.1-2003. (3) British Type G sockets are common in Riau Islands due to their close proximity to Singapore.