7An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal.
| ANTENNA | |
| LEAD IN | |
| WIRE | |
| GROUND | |
| CLAMP | |
| ANTENNA | |
| DISCHARGE UNIT | |
| (NEC SECTION | |
ELECTRICAL |
| |
SERVICE | GROUNDING CONDUCTORS | |
EQUIPMENT | ||
(NEC SECTION | ||
| ||
| GROUND CLAMPS | |
| POWER SERVICE GROUNDING | |
| ELECTRODE SYSTEM | |
NEC - NATIONAL ELECTRIC CODE | (NEC ARTICLE 250, PART H) | |
|
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE
8TV sets are provided with ventilation openings in the cabinet to allow heat generated during operation to be released.
Therefore:
—Never block the bottom ventilation slots of a portable TV set by placing it on a bed, sofa, rug, etc.
—Never place a TV set in a
—Never cover the openings with a cloth or other material.
—Never place the TV set near or over a radiator or heat register.
9To avoid personal injury:
—Do not place a TV set on a sloping shelf unless properly secured.
—Use only a cart or stand recommended by the TV set manufacturer.
—Do not try to roll a cart with small casters across thresholds or deep pile carpets.
—Wall or shelf mounting should follow the manufacturer’s instructions, and should use a mounting kit approved by the manufacturer.
Use
10Caution children about dropping or pushing objects into the TV set through cabinet openings. Some internal parts carry hazardous voltages and contact can result in a fire or electrical shock.
11Unplug the TV set from the wall outlet before cleaning. Do not use liquid or an aerosol cleaner.
12Never add accessories to a TV set that has not been designed for this purpose. Such additions may result in a hazard.