User's Guide

Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper
electrical grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna-
discharge unit, size of grounding conductors, location of antenna-discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode.
Lightning protection
For added protection of any product during a lightning storm, or when it is left unattended and unused for
long periods of time, unplug the product from the wall outlet and disconnect the antenna or cable system.
This will prevent damage to the product from lightning and power line surges.
Table 2-2 Antenna Grounding
Reference Grounding Component
1 Electric Service Equipment
2 Power Service Grounding Electrode System (NEC Art 250, Part III)
3 Ground Clamps
4 Grounding Conductors (NEC Section 810.21)
5 Antenna Discharge Unit (NEC Section 810.20)
6 Ground Clamp
7 Antenna Lead-in Wire
Note to CATV system installer
This reminder is provided to call the CATV systems installer’s attention to section 820.93 of the National
Electric Code, which provides guidelines for proper grounding and in particular, specify that the Coaxial cable
shield shall be connected to grounding system of the building, as close to the point of cable entry as practical.
Travel notice
Use this notice to warn about the possibility of serious injury from voltage converter kits.
WARNING! To reduce the risk of electric shock, re, or damage to the equipment, do not attempt to power
the computer with a voltage converter kit sold for appliances.
Travel notice 19