Description

UL 452 – Antenna-Discharge Units

Please note: All interim revisions for this edition available at time of your purchase will be included.

Antenna – Discharge Units

UL 452

1 Scope

1.1 These requirements cover antenna-discharge units for radio and television receiving equipment and amateur radio-transmitting and -receiving equipment, to be employed in accordance with the National Electrical Code, NFPA 70.

1.2 An antenna-discharge unit – hereinafter referred to as a discharge unit – as covered by these requirements consists of a gap, a fixed resistance or other discharge element, or a combination of such features, connected between each antenna lead-in terminal and a grounding terminal.