Battery-powered wearable electronics/devices are covered under the scope of (CSA UL EN) IEC 62368-1,AV/ICT Equipment. If wearable devices are certified to 62368-1, the type of aspects asked about (except design-specific width/height/length of batteries, which are not controlled, except by industry specifications for consumer-grade batteries) are covered under IEC 62368-1’s Annex M, Equipment containing batteries and their protection circuits.
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Q&A: You ask, we answer
What is the latest from Europe on EN IEC 62368-1:2020, Ed. 3?
In the…
Does sub-clause 5.4.5 of (UL) IEC 62368-1:2018 (Ed. No. 3) apply to both a device connected to an outdoor antenna and an indoor device with a small integral antenna, like a wireless router? Why does a test voltage of 10kV apply?
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Can single fault condition testing between pins of a control IC and power switching MOSFET in a single package be omitted if there is inherent isolation between both complying with Basic Insulation requirements?
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What is the origin of Annex N of IEC 62368-1 (Annex J of IEC 60950-1), in particular the table of Electrochemical potentials (V)?
This question…
For IEC 62368-1:2018 (3rd Ed.), Cl. 8.6.5, why was the horizontal force test value increased to 20% of the equipment weight, or max 250N, from IEC 62368-1:2014'™s (2nd Ed) values of 13% and 100N, respectively?
This horizontal…
For the IEC 60417 symbols in UL/CSA IEC 62368-1, such as the IEC 60417- 5041 symbol, is there any minimum size requirements for the symbol or the text adjacent to the symbol such as "HOT SURFACE"?
In IEC…
I am interested in joining IEC TC108 and assisting with the development of IEC 62368-1 - how can I do this?
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Can a connector that is UL Recognized under UL CCN ECBT2 to UL 1977 be used in AV/ICT equipment investigated to CSA UL 62368-1 without further investigation of the connector to a CSA component connector standard?
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Which general UL standards cover VW-1 flammability of wiring. For example, if my wiring material is approved according to UL 1015, can I say that the material is approved also UL 2556 VW-1. Does UL 1015 cover UL 2556 VW-1?
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For the purposes of determining accessible parts, what is the difference between plugs/jacks/connectors (i.e., sub clause V.1.4, requiring the use of a blunt probe) and a terminal (i.e., sub clause V.1.6, requiring the use of a terminal probe)?
When…
For two varistors connected between both sides of Mains (L & N) and Protective Earthing (PE) through the same GDT, is it acceptable that each varistor withstands a voltage based on half of equipment input voltage rating?
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When performing the needle flame test in Annex S.1, if the burning material extinguishes before the first 30 seconds, is this an acceptable result?
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For classification of electrical energy sources, is a single fault condition required to be performed on a single Y1 type capacitor connected between primary and secondary (and acting as reinforced insulation)?
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Must the tolerance associated with a Gas Discharge Tube (GDT) specification for insulation breakdown be considered per sub-clause 5.5.7.2 in IEC 62368-1:2014?
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For a constant current circuit, since the output current already is determined, how is the limited energy circuit determined?
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For ITE intended for installation in a restricted access location, may the electrical ratings be placed in the installation guide rather than marked on the product if a symbol near the appliance inlet refers to the installation guide?
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Can the marking on a wire be used as evidence of compliance with VW-1 rating requirements?
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What are the requirements for internal and external wiring acc. IEC 62368-1 3ed. and UL 62368-1 3ed.?
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I am trying to determine how to determine compliance of a construction to the requirements in sub-clause 5.6.5 and Table 32 involving a 3.5mm sheet metal (spaced thread) screw or smaller, with a 1mm2 protective earthing conductor or smaller?
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