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2. Four-terminal sensing - Wikipedia

   en.wikipedia.org/wiki/Four-terminal_sensing

   Four-point measurement of resistance between voltage sense connections 2 and 3. Current is supplied via force connections 1 and 4. In electrical engineering, four-terminal sensing (4T sensing), 4-wire sensing, or 4-point probes method is an electrical impedance measuring technique that uses separate pairs of current-carrying and voltage-sensing electrodes to make more accurate measurements ...

3. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Mini ceiling fans are mostly found in less developed places, such as the Philippines and Indonesia, and today are constructed similarly to most oscillating pedestal and table fans, predominantly out of plastic. These fans, hence the name "mini" ceiling fan are relatively small in size, usually ranging from 40.64 cm to 91.44 cm, however, some ...

4. Four-wire circuit - Wikipedia

   en.wikipedia.org/wiki/Four-wire_circuit

   In telecommunications, a four-wire circuit is a two-way circuit using two paths so arranged that the respective signals are transmitted in one direction only by one path and in the other direction by the other path. The four-wire circuit gets its name from the fact that is uses four conductors to create two complete electrical circuits, one for ...

5. Multicore cable - Wikipedia

   en.wikipedia.org/wiki/Multicore_cable

   Sometimes each individual connection or channel also has its own jacket to aid mechanical or electromagnetic protection. [7] Some multicore cables terminate in a multipin connector, often circular. Others split the cores into separate cables at the ends, terminating in a mass of connectors. This type of end is often called a fan or tail. [8]

6. 50 Times Cheap Fixes Had A Major Impact On Home Life - AOL

   www.aol.com/55-people-share-relatively-cheap...

   New smart ceiling fan / light that looks modern (replaced 20 year old one that looked very dated). Updated bathroom fans - Panasonic Whisper truly are whisper quiet! And new timer switch :)

7. Home wiring - Wikipedia

   en.wikipedia.org/wiki/Home_wiring

   Note the connection of the security system to the phone line requires a wiring configuration that allows the security system to disconnect all phones in the home when it needs to connect to the monitoring center. This is critical, if the wiring is not correct the system may not communicate back to base when an intrusion is detected.