Low voltage electrical work · Arizona

Cupertino Electric, Inc. - Central Line, AZ

Name: Cupertino Electric, Inc. - Central Line, AZ Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Casa Grande, AZ · ~86 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 1.7
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Cupertino Electric, Inc. - Central Line, AZ runs at 61% of its industry's injury rate - safer than the typical Low voltage electrical work workplace, earning a grade B.

Cupertino Electric, Inc. - Central Line, AZ: 1.7 TCR = 61% of Low voltage electrical work BLS 2.8 · 2y Form 300A (see methodology below)

Cupertino Electric, Inc. - Central Line, AZ safety composite

Cupertino Electric, Inc. - Central Line, AZ scores strongest on total case rate (tcr) (safer than 64% of same-industry peers) and weakest on dart rate (safer than 46%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.72 per 100 workers

Safer than 64% of industry peers
DART rate: D 0.86 per 100 workers

Safer than 46% of industry peers
Fatalities: D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Cupertino Electric, Inc. - Central Line, AZ held a steady TCR band

Cupertino Electric, Inc. - Central Line, AZ's TCR held near 0.0 from 1.7 in 2021 to 1.7 in 2022. In 2022, DART was 0.5× this establishment's average TCR (severity share of cases).

2021=1.7 · 2022=1.7

OSHA ITA Form 300A scorecard

Establishment book 238210 · Casa Grande, AZ AT/BELOW-IND · SMALL

Grade B · TCR 1.7 · 61% of ind

DART 0.9 DART
RANK #49/105
PHOTO Tri-County Electric …
BOOK 2y book
INJ 3 inj
SIZE ~86 FTE

Nearest TCR peer: Tri-County Electric Company, Inc. (0.0 TCR gap)

Read with this employer → · Industry book → · Arizona employers → · Look up another →

This site

1.7
Tri-County Ele

1.7
Pillar Innovat

1.7
Pro Electrical

1.7
O'Connell Elec

1.7

What this shows Cupertino Electric, Inc. - Central Line, AZ averages 1.7 TCR (61% of the Low voltage electrical work BLS benchmark).

Cupertino Electric, Inc. - Central Line, AZ TCR series: 2021=1.7 · 2022=1.7 · BLS 2.8

Where Cupertino Electric, Inc. - Central Line, AZ falls in its industry

4,550 Low voltage electrical work establishments

Safer than 64% of graded establishments in this industry, whose median TCR is 2.5.

Grade B

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #49 safest of 105 Low voltage electrical work employers in Arizona.

Cupertino Electric, Inc. - Central Line, AZ (86 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

Cupertino Electric, Inc. - Central Line, AZ has more employees than the Low voltage electrical work median and a lower injury rate than the industry's median TCR of 2.5. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year	TCR	DART	Injuries	Illnesses	Fatalities
2022	1.7	0.9	2	0	0
2021	1.7	0.0	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · AZ · Casa Grande

4,550 Low voltage electrical work employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 123 employers in Casa Grande, AZ · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Tri-County Electric Company, Inc.	MORGANTOWN, WV	1.7 TCR
NAICS-TCR	Pillar Innovations, LLC - Evansville	EVANSVILLE, IN	1.7 TCR
NAICS-TCR	Pro Electrical	CHANDLER, TX	1.7 TCR
NAICS-TCR	O'Connell Electric Company, Inc	VICTOR, NY	1.7 TCR
STATE-SIZE	McElhaney Feedyard	WELLTON	86 FTE
STATE-SIZE	MG Mountain Gate	CLARKDALE	86 FTE
STATE-SIZE	Jasper	PRESCOTT VALLEY	86 FTE
STATE-SIZE	Swengel-Robbins Inc.	PHOENIX	86 FTE
CITY-NEAR	Lucid Motors AMP-1	Casa Grande	1,803 FTE
CITY-NEAR	WM 7013	Casa Grande	908 FTE
CITY-NEAR	7013	Casa Grande	828 FTE
CITY-NEAR	Tractor Supply Company Distribution Center 0111	Casa Grande	515 FTE
NAT-TCR	335099-Customer Care Center - Nj	Edison, NJ	1.7 TCR
NAT-TCR	Paramus Fairfield Inn & Suites	Paramus, NJ	1.7 TCR
NAT-TCR	020313-Anchorage Ak P&Dc	Anchorage, AK	1.7 TCR
NAT-TCR	9123-Isp-Primeflight Aviation Services, Inc.	Romkonkoma, NY	1.7 TCR
NAT-SIZE	230421-Bal-Nottingham Br	Baltimore, MD	86 FTE
NAT-SIZE	414544-Lebanon Po	Lebanon, PA	86 FTE
NAT-SIZE	411136-Camp Hill Po	Camp Hill, PA	86 FTE
NAT-SIZE	418904-Washington Po	Washington, PA	86 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2022, 2021. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.