It is very likely that the capacitance to the ground plane would be much higher with the steel-legged table. Are you really serious about feng shui? With best wishes DESIGN IT IN! OOO - Own Opinions Only <http://www.jmwa.demon.co.uk/> www.jmwa.demon.co.uk J M Woodgate and Associates Rayleigh England Sylvae in aeternum manent. From: Harris, Kevin J (DSC) [mailto:kevinharr...@tycoint.com] Sent: Thursday, April 6, 2017 9:22 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] ESD Table Top Testing Bench with IEC 61000-4-2 Dear Colleagues, We made a decision to renovate our laboratory with new lab benches. This has led to a bit of a conundrum with our ESD benches. Our local Feng Shui expert has proclaimed that it would not do to have all new lab benches except for our old ESD wooden benches. The issue we keep circling around is the new benches would have steel legs with rubber feet under a non conducting table top. IEC 61000-4-2 seemingly asks for a non conducting table in its entirety. Does anyone know if such a setup deviation would make an iota of difference to the test? Thanks Kevin _____
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