Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: POLYPHASE ELECTRIC CO DBA MESABA ELECTRIC

Planned inspection · Safety discipline

On , OSHA opened a planned safety inspection of POLYPHASE ELECTRIC CO DBA MESABA ELECTRIC in 4701 GRINDEN DR, DULUTH, MN 55811 (NAICS 238210). OSHA activity number 313618274.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Site address
4701 GRINDEN DR
City
DULUTH
State
MN
ZIP
55811
Mailing
2515 W SUPERIOR ST, DULUTH, MN 55806
Inspection type
Planned (H)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
Y
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238210
SIC code (legacy)
1731
Employees
3
Ownership type
A
Industry flags
Construction safety.

1 citation on file for this inspection.

1926.602 A09II

Serious 1 instance 3 exposed
Issued
Aug 6, 2009
Abate by
Aug 16, 2009
Penalty
Initial $600 · Current $600

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 313618274.

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