UL 1395 PDF

 

1 Scope

1.1 These requirements cover the transients test method for fire, security, and life safety equipment. These tests include supply line (ring wave surge voltage) transients, Internally induced Transients, Sequential Arc Transients, Radiated Electromagnetic Fields, Field-Wiring Transients, Surge Immunity Test (Combination Wave), Surge Current Test, and Static Discharge Test.

1.2 Tests conducted in accordance with these requirements are intended to demonstrate that the intended operation of the device is not impaired [electromagnetic compatibility (EMC)] when subject to electromagnetic interferences (EMI) generated by the specified test method, devices and/or appliances outlined in this standard.

1.3 These requirements cover the circuits, ports, or surfaces being subjected to the relevant tests unless otherwise specified in the end product standard.

 

Summary of Topics

This revision of ANSI/CAN/UL/ULC 1395 dated August 4, 2025 includes changes in requirements for radiated electromagnetic fields; 3.2, Table 5.1, 5.5.3, 5.5.4, and 5.5.6.