It should carry a label from Underwriters Laboratories, which tests products for electrical safety.

The Underwriters Laboratory recently added new requirements the lamps must pass to win its seal of approval.

Underwriters Laboratories, which issues standards for thousands of electric devices, has been reluctant to talk about the problems with carbon monoxide detectors.

The generic batteries, he said, may not have built-in safety features or certification by Underwriters Laboratories.

Underwriters Laboratories publishes and enforces hundreds of safety standards but no quality standards.

Underwriters Laboratories, which employs 800 people in Melville, said it intended to file on time.

He said his product had been thoroughly tested and approved by Underwriters Laboratories, the independent testing organization.

Virtually all of the models in stores meet standards set by Underwriters Laboratories or international standard-setting organizations.

This experience led him to found Underwriters Laboratories.

These systems have already started to reduce the energy bills of the Institute and are being used for research in collaboration with Underwriters Laboratories.