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CSLB classification · Electrical

C-7 Low Voltage Systems Contractor

Communication, alarm, data and other low-voltage systems under 91 volts.

4,687
Active licences
2,786
With workers' comp
59%
653
Renewing in 90 days
115
Lapsed or suspended
1,793
Exempt
50
New in 90 days

Coverages a producer should expect

  • ›Workers' comp
  • ›General liability
  • ›Professional or E&O for design work
  • ›Cyber where systems are monitored

WCIRB classes usually assigned

  • 5190 Electrical wiring
  • 7605 Burglar and fire alarm installation

Governing class depends on actual operations and payroll. Verify with the WCIRB classification search before quoting.

Carriers writing this class

Policies on file, statewide

  1. Hartford Casualty Insurance Co.425
  2. State Compensation Insurance Fund347
  3. Travelers Property Casualty Co. Of America122
  4. Employers Preferred Insurance Co.119
  5. Insurance Co. Of The West108
  6. Pie Insurance Co.100
  7. Technology Insurance Co. Inc96
  8. Norguard Insurance Co.69
  9. Wesco Insurance Co.56
  10. Markel Insurance Co.54

C-7 workers' comp renewals by month, California

141
Sep
269
Oct
181
Nov
204
Dec
345
Jan
201
Feb
239
Mar
243
Apr
226
May
203
Jun
220
Jul
115
Aug
16
Sep

Counties with the most

  1. Los Angeles County1,051
  2. Orange County490
  3. San Diego County368
  4. County362
  5. Riverside County298
  6. San Bernardino County238
  7. Sacramento County205
  8. Santa Clara County202
  9. Alameda County162
  10. Ventura County139
  11. Contra Costa County130
  12. Placer County92

Related classes in Electrical

C-10 Electrical ContractorC-45 Sign Contractor

Frequently asked

What does a C-7 licence allow a contractor to do?
Communication, alarm, data and other low-voltage systems under 91 volts.
What insurance does a C-7 contractor need?
Workers' compensation is required by law once they have employees; the CSLB suspends a licence without it. Beyond that, producers usually place: Workers' comp; General liability; Professional or E&O for design work; Cyber where systems are monitored.
How many C-7 contractors are there in California?
4,687 active licences hold the C-7 classification as of 2026-09-06; 2,786 (59%) have workers' comp on file and 1,793 are exempt.
When do C-7 workers' comp policies renew?
653 renew within 90 days. January is the peak month.
Which WCIRB class codes apply to C-7 work?
Most often 5190 (Electrical wiring), 7605 (Burglar and fire alarm installation). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to C-7 contractors in California?
Birdray runs signal-timed outbound for one agency per territory: the companies behind these numbers, the person to email, and the renewal date, sent from your inbox. The database is free to search.
How the outbound worksSearch free

Sources: CSLB licence and workers' compensation records, California Secretary of State, OSHA, FMCSA, county permits. Aggregates only; no individual contractor appears on this page. "Active" means a CLEAR licence status. Renewal counts include policies on file with the CSLB expiring in the window. Refreshed weekly; this page as of 2026-09-06. Every field and its source →

C-7 Low Voltage Systems Contractor: Insurance and WCIRB Classes | Birdray