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2. IEC 60228 - Wikipedia

   en.wikipedia.org/wiki/IEC_60228

   Comparison of SWG (red), AWG (blue) and IEC 60228 (black) wire gauge sizes from 0.03 to 200 mm² to scale on a 1 mm grid – in the SVG file, hover over a size to highlight it. In engineering applications, it is often most convenient to describe a wire in terms of its cross-section area, rather than its diameter, because the cross section is directly proportional to its strength and weight ...

3. List of electric distribution utilities in the Philippines

   en.wikipedia.org/wiki/List_of_electric...

   This is a complete list of electric utilities in the Philippines. There are 152 electric utilities in the country. [1] List

4. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Railroad welding AWS D15.2: Railroad welding practice supplement AWS D16.1: Robotic arc welding safety AWS D16.2: Robotic arc welding system installation AWS D16.3: Robotic arc welding risk assessment AWS D16.4: Robotic arc welder operator qualification AWS D17.1: Aerospace fusion welding AWS D17.2: Aerospace resistance welding AWS D17.3

5. American wire gauge - Wikipedia

   en.wikipedia.org/wiki/American_wire_gauge

   (E.g. two 14 AWG wires have about the same cross-sectional area as a single 11 AWG wire.) This doubles the conductance. When the diameter of a solid round wire is doubled, the AWG will decrease by 6. (E.g. 1 mm diameter wire is ≈18 AWG, 2 mm diameter wire is ≈12 AWG, and 4 mm diameter wire is ≈6 AWG.)

6. Utility pole - Wikipedia

   en.wikipedia.org/wiki/Utility_pole

   The most common communication cables found on utility poles are copper or fibre-optic cable (FOC) for telephone lines and coaxial cable for cable television (CATV). Coaxial or optical fibre cables linking computer networks are also increasingly found on poles in urban areas.

7. Welding power supply - Wikipedia

   en.wikipedia.org/wiki/Welding_power_supply

   A welding power supply is a device that provides or modulates an electric current to perform arc welding. [1] There are multiple arc welding processes ranging from Shielded Metal Arc Welding (SMAW) to inert shielding gas like Gas metal arc welding (GMAW) or Gas tungsten arc welding (GTAW).