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2. Copper–copper (II) sulfate electrode - Wikipedia

   en.wikipedia.org/wiki/Copper–copper(II)_sulfate...

   The copper–copper(II) sulfate electrode is a reference electrode of the first kind, [1] based on the redox reaction with participation of the metal and its salt, copper(II) sulfate. It is used for measuring electrode potential and is the most commonly used reference electrode for testing cathodic protection corrosion control systems. [ 2 ]

3. Solder alloys - Wikipedia

   en.wikipedia.org/wiki/Solder_alloys

   Lead-Free, Cadmium free formulation designed specifically to replace lead solders in copper and stainless steel plumbing, and in electrical and electronic applications. [87] Sn 95.5 Ag 3.9 Cu 0.6: 217 [88] Yes: Yes: Recommended by the US NEMI consortium for reflow soldering. Used as balls for BGA/CSP and CBGA components, a replacement for Sn 10 ...

4. Optical ground wire - Wikipedia

   en.wikipedia.org/wiki/Optical_ground_wire

   The tube is inserted into a stainless steel, aluminum, or aluminum-coated steel tube, with some slack length of fiber allowed to prevent strain on the glass fibers. The buffer tubes are filled with grease to protect the fiber unit from water and to protect the steel tube from corrosion, the interstices of the cable are filled with grease.

5. Fretting - Wikipedia

   en.wikipedia.org/wiki/Fretting

   Fretting also occurs on virtually all electrical connectors subject to motion (e.g. a printed circuit board connector plugged into a backplane, i.e. SOSA/VPX). Commonly most board to board (B2B) electrical connectors are especially vulnerable if there is any relative motion present between the mating connectors. A mechanically rigid connection ...

6. Contact resistance - Wikipedia

   en.wikipedia.org/wiki/Contact_resistance

   Surfaces of metallic contacts generally exhibit an external layer of oxide material and adsorbed water molecules, which lead to capacitor-type junctions at weakly contacting asperities and resistor type contacts at strongly contacting asperities, where sufficient pressure is applied for asperities to penetrate the oxide layer, forming metal-to ...

7. U.S. Military connector specifications - Wikipedia

   en.wikipedia.org/wiki/U.S._Military_connector...

   A MIL-DTL-38999 circular connector plated with a nickel–teflon composite. Left: plug (male) type connector; Right: receptacle (female) type connector) Electrical or fiber-optic connectors used by U.S. Department of Defense were originally developed in the 1930s for severe aeronautical and tactical service applications, and the Type "AN" series set the standard for modern military circular ...

8. Mixed metal oxide electrode - Wikipedia

   en.wikipedia.org/wiki/Mixed_metal_oxide_electrode

   The other metal oxide is typically titanium dioxide which does not conduct or catalyze the reaction, but is cheaper and prevents corrosion of the interior. The loading or amount of precious metal on the substrate (that is, other than the titanium) can be in the order of around 10 to 12 grams per square metre. [1]

9. Aluminium-conductor steel-reinforced cable - Wikipedia

   en.wikipedia.org/wiki/Aluminium-conductor_steel...

   Aluminium-clad steel offers increased corrosion protection and conductivity at the expense of reduced tensile strength. Aluminium-clad steel is commonly specified for coastal applications. IEC and CSA use a different naming convention. The most commonly used steel is S1A for S1 regular strength steel with a class A coating.