NCCI class code 9519 covers AIR CONDITIONING SYSTEMS--PORTABLE UNITS--INSTALLATION, SERVICE OR REPAIR & DRIVERS within the Electronic & Telecom Services industry. This classification is used by insurance carriers to determine workers’ compensation premium rates based on the risk level associated with these job duties.
When employers report payroll under class code 9519, the premium is calculated by multiplying the total payroll (in hundreds of dollars) by the applicable rate for this classification. The rate varies by state, carrier, and the employer’s experience modification factor (EMR).
High risk. Heavy construction, manufacturing with heavy equipment, and utility work.
Some states use different class codes. If your business operates in these states, use the state-specific code instead of the standard NCCI code.
| State | Code |
|---|---|
| California | 9519 |
| Delaware | 0662 |
| Michigan | 9519 |
| New Jersey | 9519 |
| New York | 9519 |
| Pennsylvania | 0662 |
| Texas | 5190 |
Class code 9519 supports the following insurance product types:
Workers’ Comp
Class code 9519 is a primary classification, meaning it directly describes the main business operations of an employer. Primary codes represent the core activity — what the business actually does.
A secondary (or standard exception) code describes support operations that exist in almost every business, like clerical work (8810) or outside sales (8742). These are assigned in addition to the primary code.
If your business primarily involves air conditioning systems--portable units--installation, service or repair & drivers, this code should be your governing classification — the one that applies to most of your payroll.
Your workers’ compensation premium for employees classified under code 9519 is calculated as:
Where the rate is determined by your state and carrier, and EMR (Experience Modification Rate) reflects your company’s claims history relative to similar businesses. A lower EMR means lower premiums.
Accurate classification is critical — misclassifying employees under the wrong code can result in overpayment or underpayment that gets corrected during an audit.
Class code 9519 (AIR CONDITIONING SYSTEMS--PORTABLE UNITS--INSTALLATION, SERVICE OR REPAIR & DRIVERS) is the right fit if your employees’ primary duties involve work described by this classification within the Electronic & Telecom Services industry and your operations fall into Hazard Group E.
Consider these factors when selecting your class code:
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