Regulatory Considerations - Nortel CTR 38 GHz Installation Manual

2-10 Grounding and Surge Protection

Regulatory Considerations

Electrical
1. UL1950/IEC950
Lightning protection
1. UL1492
2. IEC 65
3. IEEE/ANSI C62.41
4. Bellcore GR-1089-CORE
5. ANSI/NFPA 780 Lightning Protection Code
Grounding
1. CCITT Rec K.27
2. Corporate Standard 4122, Grounding of Communication Systems
It is assumed that building construction complies with NEC Article 250 (US)
or CEC Section 10 (Canada). In the US the recommended ground resistance
is 5 ohms and the maximum for a single electrode is 25 ohms.
411-1333-205.01.02 Preliminary March 1999