A fire hood and metal can fire rated downlight are exposed to fire.
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https://www.youtube.com/watch?v=-i8v-9BNBuY
The metal can from the downlight is tested with fire.
How much current can the thin PCB tracks take before melting?
Datasheet for 6 pin controller chip CL1100: http://www.cnledw.com/inter/upload/201101082195456379.pdf
The MOSFET was a SVF2N60M.
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https://www.youtube.com/watch?v=uan_0pSUVsI
Part 3 in the autotransformer series, this is the final part and covers the reassembly with new front panel and various devices installed into it.
This is the shorter version, an extended version with more detail is available here: https://youtu.be/rMZVW1N60eY
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https://www.youtube.com/watch?v=exuAw7E6xJ4
Old voltage operated earth trip made by Ottermill Chilton, probably from the late 1970s.
This has never been used, as the latching mechanism is damaged, preventing the lever locking in the On position.
Similar in principle to the GEC example, although this is much more recent and is double pole rather than single pole.
GEC: http://youtu.be/2yquvqto-pk
Crabtree: http://youtu.be/0s7Wqivg0lw
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https://www.youtube.com/watch?v=mbller272pc
A selection of custom test adaptors for various different socket outlets.
These can be made for any plug or socket as required.
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https://www.youtube.com/watch?v=0HqZ0bSInvA
A piece of faulty flex from a vacuum cleaner.
The fault is in the blue neutral wire only, and as the adjacent brown wire has no damage at all, it is likely this is due to a defect caused when the flex was manufactured.
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https://www.youtube.com/watch?v=l87eVU6V62I
Making a solder fume extractor from various parts.
Components used:
2 plastic storage boxes with lid, £12 from The Range
Ventilation fan, £30 from Fantronix on eBay
Carbon filters Europart EFF54, £13 for 2 from CPC
Universal grease filter £3 from CPC
Corrugated hose with metal ends £11 Banggood.com
Plastic vent, hose and adaptor £3
Everbuild PinkGrip adhesive £2
Plus screws, cable gland, timber offcuts, metal reinforcement plates, cardboard.
Total approximately £75.
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https://www.youtube.com/watch?v=JdrFsuAcm48
How a relay or contactor works and what is contained inside.
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https://www.youtube.com/watch?v=5Iujs94re_U
9 Sega Mega Tech games, the test mode, and comments on the previous Mega Tech video.
Arcade Out Run segment from video by VirtuaStig: https://youtu.be/WiWiTXq4yYY
Previous Mega Tech video: https://youtu.be/yzfzr4-Z078
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https://www.youtube.com/watch?v=TW6kmP0GO58