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2. PSA: You Need to Change the Direction of Your Ceiling Fan for ...

   www.aol.com/lifestyle/psa-change-direction...

   Conventional ceiling fans typically have a physical switch that's located in the middle of the fan near the pull string and lightbulb. Flip it either up or down to change the direction of the fan ...

3. This Is the Direction Your Fan Should Be Spinning in the Winter

   www.aol.com/lifestyle/direction-fan-spinning...

   Dispersing the warm air in your home during the winter is a lot easier with this ceiling fan trick. You'll want to change the directions to keep warm.

4. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Also, if one is carrying a long and awkward object, one end may inadvertently enter the path of rotation of a ceiling fan's blades, which can cause damage to the fan. Building codes throughout the United States also prohibit industrial ceiling fans from being mounted with the blades closer than 10 feet from the floor for these reasons.

5. Fan death - Wikipedia

   en.wikipedia.org/wiki/Fan_death

   Fan death is a misconception that people have died as a result of running an electric fan in a closed room with no open windows. While the supposed mechanics of fan death are impossible given how electric fans operate, belief in fan death persisted to the mid-2000s in South Korea, [1] [2] [3] and also to a lesser extent in Japan.

6. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   Fans inside audio power amplifiers help to draw heat away from the electrical components. Variable pitch fan: A variable-pitch fan is used to precisely control static pressure within supply ducts. The blades are arranged to rotate upon a control-pitch hub. The fan wheel will spin at a constant speed. The blades follow the control pitch hub.

7. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

8. High-volume low-speed fan - Wikipedia

   en.wikipedia.org/wiki/High-volume_low-speed_fan

   Larger diameter fans can move more air than smaller fans at the same speed. A turbulent, high velocity air jet dissipates very quickly. A large column of air, however, "travels" farther than a small one due to the friction between moving air and stationary air, which occurs at the periphery of the moving column.

9. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.