# HANDLING OF MATERIALS
> MSHA accident `220191150077` · 04/15/2019 · Kennecott Utah Copper LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Electrician, Lineman
- **Activity:** Handling supplies or material
- **Injury source:** ELECTRICAL APPARATUS,NEC
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 12.38 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Kennecott Utah Copper LLC
- **Mine:** [4200149](https://api.ai-analytics.org/mine/4200149)
## Narrative

Line man at perimeter substation to open load break switch to isolate 44kv line side of Substation. In process of opening the break load switch, line man felt pain behind knee on leading leg (left) Miner was treated given brace for support, no work missed but follow up MRI on 04/30/2019.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*