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  2. Aluminum building wiring - Wikipedia

    en.wikipedia.org/wiki/Aluminum_building_wiring

    The use of larger gauge stranded aluminum wire (larger than #8 AWG) is fairly common in much of North America for modern residential construction. Aluminum wire is used in residential applications for lower voltage service feeders from the utility to the building. This is installed with materials and methods as specified by the local electrical ...

  3. THHN - Wikipedia

    en.wikipedia.org/?title=THHN&redirect=no

    This page was last edited on 14 November 2013, at 14:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    In both those instances the white wire should be identified as being hot, usually with black tape inside junction boxes. The neutral wire is identified by gray or white insulated wire, perhaps using stripes or markings. With lamp cord wire the ribbed wire is the neutral, and the smooth wire is the hot. NEC 2008 400.22(f) allows surface marking ...

  5. M224 mortar - Wikipedia

    en.wikipedia.org/wiki/M224_mortar

    The M224 60 mm Lightweight Company Mortar System (LWCMS) is a smoothbore, muzzle-loading, high-angle-of-fire mortar used for close-in support of ground troops. It was deployed extensively in the War in Afghanistan by the United States military .

  6. M2 mortar - Wikipedia

    en.wikipedia.org/wiki/M2_mortar

    The War Department eventually settled on a 60 mm design from Edgar Brandt, a French ordnance engineer, and purchased a license to build the weapon. The model was standardized as the mortar, 60 mm M2. Testing took place in the late 1930s, and the first order for 1,500 M2 mortars was placed in January 1940.

  7. Philippine units of measurement - Wikipedia

    en.wikipedia.org/wiki/Philippine_units_of...

    A number of units of measurement were used in the Philippines to measure various quantities including mass, area, and capacity. The metric system has been compulsory in the country since 1860, during the late Spanish colonial period. [1]

  8. Amateur radio - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio

    The top of a tower supporting a Yagi–Uda antenna and several wire antennas, along with a Canadian flag A handheld VHF/UHF transceiver Radio transmission permits are closely controlled by nations' governments because radio waves propagate beyond national boundaries, and therefore radio is of international concern.

  9. Metro Manila Subway - Wikipedia

    en.wikipedia.org/wiki/Metro_Manila_Subway

    The Metro Manila Subway, [7] formerly known as the Mega Manila Subway (MMS) is an under-construction underground rapid transit line in Metro Manila, Philippines.The 33-kilometer (21 mi) line, which will run north–south between Valenzuela, Quezon City, Pasig, Taguig, Parañaque and Pasay, consists of 17 stations between the East Valenzuela and Bicutan stations.