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Article 810 - Radio and Television Equipment is extracted from Mike Holt's Illustrated Guide to Understanding the NEC, Volume 2. The publication covers transmitter and receiver equipment - and the wiring and cabling associated with that equipment. Here are a few key points to remember about Article 810:
- Avoid contact with conductors of other systems.
- Don't attach antennas or other equipment to the service-entrance power mast.
- Keep the bonding conductor or grounding electrode conductor as straight as practicable, and protect it from physical damage.
- If the mast isn't bonded properly, you risk flashovers and possible electrocution.
- Keep in mind that the purpose of bonding is to prevent a difference of potential between metallic objects and other conductive items, such as swimming pools.
- Clearances are critical, and Article 810 contains detailed clearance requirements. For example, it provides separate clearance requirements for indoor and outdoor locations.
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