#105 Unsafe ⛔ Encapsulated TSP-05/HLK-PM01 PSU? AND other stuff (cheap!)

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This TSP-05 encapsulated 5-volt PSU looks like an HLK-PM01 (both externally and internally) so it is safe to use?

The answer is not straightforward. Although thousands of the HLK-PM01s have been successfully used over the years it doesn't mean they are safe; and being made in a country where safety standards are very different to those in Europe and the United States it means that there is always going to be an unknown 'safety gap' in the design or application of whatever standards are being used.

I'm tempted to use a TSP-05, however, as it is small (far smaller than a plug-in wall-wart) and cheap, and on closer inspection seems to be as good as the HLK-PM01. Let's have a closer inspection after we've talked about a couple of other useful items.

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TSP-05 5v PSU from AliExpress.com
https://www.aliexpress.com/item/TSP-05-replace-HLK-PM01-AC-DC-220V-to-5V-mini-power-supply-module-intelligent-household/32705471039.html

HLK-PM01 original from AliExpress.com
https://www.aliexpress.com/item/1x-HLK-PM01-AC-DC-220V-to-5V-Step-Down-Power-Supply-Module-Household-Switch-VEB73/32762556380.html

Safe and certified version of above from Vigortronix (Rapid UK site) and its adapter board
https://www.rapidonline.com/vigortronix-vtx-214-005-105-5w-ac-dc-power-supply-single-output-5v-84-2183
https://www.rapidonline.com/vigortronix-vtx-214-005-105-5w-ac-dc-power-supply-single-output-5v-84-2183

Wikipedia article on Ground (vs Earth, sort of)
https://en.wikipedia.org/wiki/Ground_(electricity)

Magnetic block to magnetise your screwdrivers (and anything else):
http://cpc.farnell.com/duratool/d01765/magnetiser-demagnetiser/dp/TL14068?CMP=TREML007-005

Solar panel bus bar connecting strips - totally impervious to the weather:
https://www.aliexpress.com/item/2-Meters-Lot-5-0x0-2mm-solar-bus-bar-wire-for-PV-Ribbon-Tabbing-wire-2m/32479581334.html

CE fake and real logo
http://www.ce-marking.com/CE-marking-logo.html

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Видео #105 Unsafe ⛔ Encapsulated TSP-05/HLK-PM01 PSU? AND other stuff (cheap!) канала Ralph S Bacon