Tom walked her to a decommissioned junction box in Zone 1. He opened it. “This box has flameproof threads. The 2016 standard says a visual inspection is enough. But the – which your free copy isn’t – added a new requirement: torque verification on all flameproof entries. Last year, a plant in another state skipped that new check. Vibration loosened a gland. Gas leaked. The explosion injured three people.”
Within seconds, she found a link. A file-sharing site offered a scanned PDF from 2016 – “free instant download.” Maya clicked. The file looked genuine, though the text was slightly crooked. Relieved, she printed the relevant inspection checklists and handed them to Old Tom. iec 60079 part 17 pdf free download
“Here,” she said. “Use these for tomorrow’s spot checks.” Tom walked her to a decommissioned junction box in Zone 1