UL 452
$251.00
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.
