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UL 452
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UL 452 Antenna-Discharge Units
standard by Underwriters Laboratories, 11/02/2006
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Full Description
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.