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What is LARR?

LARR stands for "Los Angeles Research Reports." LADBS approves alternate building materials or products that are at least equivalent to the materials prescribed in the code in terms of quality, effective time period of fire resistance, strength, effectiveness, durability and safety. Approved materials are published as LARR.

Can any testing agency listed or certify any electrical equipment to be used or installed in the City of Los Angeles?

No, the City of Los Angeles Municipal Code Section 93.0402 requires that the testing agencies and the product standards used by these agencies to be approved by the Department. For a list of approved laboratories, and list of their recognized standards, please visit our website at LADBS.org.

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