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In Depth: ANSI vs AASHTO - Hubbell
2:03
Load rating is often the major consideration when specifying underground enclosures. Load rating can be designated in a variety of ways, but the underground enclosure industry often relies upon two verifiable standards: ANSI and AASHTO.
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In Depth: ANSI-SCTE 77 - Hubbell
2:58
ANSI/SCTE 77 is a performance specification for non-deliberate traffic loads, with the tier rating system for the varying load levels