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Typical fields in the title block include the drawing title (usually the part name); drawing number (usually the part number); names and/or ID numbers relating to who designed and/or manufactures the part (which involves some complication because design and manufacturing entities for a given part number often change over the years due to ...
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A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.
A thermal switch (sometimes thermal reset or thermal cutout (TCO)) is a device which normally opens at a high temperature (often with a faint "plink" sound) and re-closes when the temperature drops. The thermal switch may be a bimetallic strip, often encased in a tubular glass bulb to protect it from dust or short circuit. Another common design ...
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This switch is gang-operated so that all three phases are interrupted at the same time. Knife switches consist of a flat metal blade, hinged at one end, with an insulating handle for operation, and a fixed contact. When the switch is closed, current flows through the hinged pivot and blade and through the fixed contact.
Israel ordered troops to prepare to spend winter on Mount Hermon in the Syria buffer zone after the Assad regime's collapse. And a post office in Nuseirat refugee camp was hit by the IDF, killing ...
Luigi Mangione — the man charged with murdering UnitedHealthcare CEO Brian Thompson — had reportedly been dealing with "debilitating" back pain before going "radio silent" with friends over ...