You're correct. The requirement for a disconnect in the fixture primarily exists due to the ballast. With the ballast removed and the LED lamps directly wired (bypassing the ballast), the NEC requirement for a disconnect within the fixture no longer applies in most cases.Here's a breakdown of why and the relevant NEC sections to support that: NEC 410.130(G) is Key

This section is titled "Disconnecting Means." It's the primary section that mandates a disconnecting means for ballasts. For example, 410.130(G)(1) requires a disconnecting means to disconnect the ballast from the branch circuit. When there is no ballast there is no need for disconnect,

Rationale for Ballast Disconnects

The purpose of the ballast disconnect is to safely isolate the ballast for maintenance or replacement. Ballasts contain capacitors that can hold a charge even after the power is switched off at the breaker. This creates a shock hazard.

Direct Wire LED Lamps

These lamps are designed to be connected directly to the branch circuit voltage (120V or 277V, typically) without a ballast. The wiring is modified so that the lampholder (tombstone) terminals are fed directly from the branch circuit.

Why No Disconnect (Generally)

Since there's no ballast, there's no component inside the fixture that needs isolated for maintenance.

Important Considerations and Potential Exceptions/Situations Where a Disconnect Could Still Be Necessary


Local Amendments/Ordinances

While the NEC might not require it, your local jurisdiction (city, county, state) could have amendments to the NEC or local ordinances that do require a disconnect regardless of the ballast being present. Always check with your local electrical inspector or permitting authority to confirm local requirements.2.

Manufacturer's Instructions

If the LED lamp manufacturer's instructions specifically require a disconnect, even with a ballast bypass, then you would need to follow those instructions per NEC 110.3(B). This is unlikely, but check the documentation.3.

Accessibility of the Breaker

In the case where it's not readily available, the breaker feeding the circuit must be lockable, accessible, and clearly labeled. If access to the breaker is obstructed, it will be necessary to install a disconnect switch in an accessible location.NEC 410.130(G)(3) Location The disconnecting means shall be located where it is accessible.4.

Maintenance Procedures/Company Policy

While not NEC requirements, a company or facility might have a policy that always requires a disconnect for any lighting fixture, regardless of the technology. This is for safety reasons, and if this policy is in place, you would need to follow it.5.

Emergency Lighting

If these are emergency lighting fixtures powered by a generator, they will need to be able to be disconnected and tested for the local AHJ.

In Summary: The NEC generally does NOT require a disconnect within the fixture when the ballast is removed and direct-wire LED lamps are installed. The disconnect requirement is primarily tied to the ballast. Always check for local amendments, manufacturer's instructions, and specific circumstances that might necessitate a disconnect. When in doubt, consult with your local electrical inspector for clarification. They have the final say in interpreting and enforcing the NEC in your area. Flag for review