Overview of the three types of surge protection, and what's inside a combined Type 1+2+3 metal cased Furse surge protection unit.
Teardown starts at 13:48
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https://www.youtube.com/watch?v=5XO5d2vLUsw
BS7671 18th Amendment 2, published March 2022. This covers the main changes in part 4.
IET Fake Awareness with list of approved suppliers: https://electrical.theiet.org/bs-7671/fake-awareness/
Other videos in this series: https://www.youtube.com/playlist?list=PLVsHvs2SuqmqMoXZCFp_CYTgZH_Y2ywwk
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https://www.youtube.com/watch?v=kUKUwh3bTEE
The Sonoff 16A switch is connected to a 15A load, the internal temperature is monitored. Also tested with a moderate overload.
Inside the Sonoff switch: https://youtu.be/1mhbxIvVft0
EMI CRH7 fan heater: https://youtu.be/ej6i1TS8XgI
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https://www.youtube.com/watch?v=zDrxjIRyW5Q
Detailed look at the Megger MFT1741 multifunction tester, with demonstrations of the main test functions.
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Repair and refurbishment of an old 8A Claude Lyons / Zenith variable transformer.
Part 2 - Electrical testing, track cleaning, checking internal wiring.
Part 1: http://youtu.be/jcqX_S8wb9Q
Part 3: http://youtu.be/y22hTfGU9JY
Part 4: http://youtu.be/geGXMD-4lPU
Website: http://xo4.uk/?p82
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https://www.youtube.com/watch?v=FC0hrEVA0nM
Overview of the equipment used to apply up to 30 amps to various electrical leads, plugs and sockets.
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https://www.youtube.com/watch?v=V75YZnIhJHc
Shared or borrowed neutrals, which are unwanted interconnections between two circuits.
These can often be found in older properties where the stairway light is connected to line from the downstairs circuit, and the neutral from the upstairs circuit.
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https://www.youtube.com/watch?v=IBcw2JJsELs
Earthing systems for generators.
Although an earth electrode may be present, it's not likely to be a TT arrangement.
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https://www.youtube.com/watch?v=mzCGE5wnWos
Fluorescent glow starters demonstrated working.
This demonstration uses 240 volts AC and a lamp in series with the starter to limit the current. In normal operation, the fluorescent tube filaments and ballast/choke limit the current.
Wiring and operation of fluorescent lights: https://youtu.be/hkgKmjVMesE
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https://www.youtube.com/watch?v=5H0z7hsdqZM