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It's so easy!, n" f: |# v; f: n* \6 a- u
IPI: it's the first inspection before your shipment, don't ship any products with UL mark without finishing the IPI.
" s* i3 F$ B; `% u' U4 P$ WRegular inspection: after the IPI, normally, for R file, there will be four times follow up inspection per year for UL, but for L file, it depends on the output of your products.
- ]2 Y; P* f; {6 j: fIIP: now it's changed to IMP(increased monitor program), it's an pulish procedure.+ y1 z$ @' U" g I1 n+ a
VN: variation notice/finding, if found, the UL auditor will issue VN, mayby hold-shippment is required, now UL will fine the factory for the VN. |
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