Equipment Selection Simulator

Select a Scenario

Each scenario provides a full area classification, cable schedule, and installation brief. Select the correct equipment, glands, and accessories — 4 options per question with senior inspector feedback after every answer.

Gland accessory rules covered: Ex d threaded entries (no IP washer, no locknut — 5 threads is sufficient). Ex e threaded entries (IP washer always required externally; internal serrated washer + locknut only if internal continuity plate present). Polyester/GRP enclosures with no continuity plate (individual banjo earth tag on every cable gland + 6mm² links). Metal enclosures (earth through body — no external earth tags needed).