Get the hard facts to successful 62368 compliance – from your UL experts

The IEC 62368-1 Knowledge Hub covers an exceptionally wide range of topics, which we believe can be helpful to manufacturers and distributors of A/V & ICT equipment.

This Q&A includes many of the questions we have been asked, with answers from UL experts. Registered users may also submit additional questions related to the 62368: UL has the answer.

Q&A: List of articles with PIS

If an external power supply output to a product is power limited in accordance to 62368-1, could the product’s polymeric enclosure be flame rated HB?

Power-limited is a undefined term in IEC 62368-1, although what probably is meant is that the power supply supplying the product has an output limit associated…

Determination of a Resistive PIS is described differently in Ed. 2 versus Ed. 3 of IEC 62368-1. Are they different test methods? How does one actually measure the power dissipated by a component or any other location?

Resistive PIS