BEFORE OPERATlON (continued)
Precautions (continued)
ANTENNA
Outdoor Antenna
An outdoor antenna system should not be Iocated in the vicinity of overhead power lines or other electric Iight or power circuits, or where it can come in contact with such power lines or circuits.
WHEN lNSTALLlNG AN OUTDOOR ANTENNA SYSTEM, EXTREME CARE SHOULD BE TAKEN TO KEEP FROM CONTACTlNG SUCH POWER LINES OR ClRCUlTS AS CONTACT WlTH THEM IS ALMOST INVARlABLY FATAL
Be sure the antenna system is grounded so as to provide some protection against voltage surges and
70)in Canada provides information with respect to proper grounding of the mast and supporting structure, grounding of the
Example of antenna grounding according to NationaIEIectricaI Code (NEC )
Antenna
| Ground clamp |
|
|
|
| |
|
|
|
| Antenna discharge | unit | |
|
|
|
| (NEC Section 810.20) |
| |
| Electric service equipm | ent |
|
|
|
|
|
|
|
|
| ||
|
|
|
| |||
|
|
| Grounding | conductors |
| |
| Ground clamp | (NEC Section 810.21) |
Power service grounding electrode system (NEC Air 250 Part H)
7