Article "Bonding with signal reference grids" EC&M, December 1, 1999 has the following recommendations:
"The AC current on any portion of the SRG should not exceed 250mA. AC current exceeding this level will cause voltages that can affect data signals.
• Measure the equipment-grounding...
TIA Standard TIA-942 "Telecommunications Infrastructure Standard for Data Centers has Table 10: Tiering reference guide (electrical). Under Standby Generator System there is a line "Individual 83 ft. Ground Fault Protection for each Generator" Does anybody knows the meaning of 83 ft in case of...
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Electric shock kills man who unzipped at pier
Boonlua Chatree
A man who went to urinate near to Bali Hai Pier died when he touched a power pole that had not been properly insulated.
The incident happened shortly after midnight on August 2. An...
Please help me to identify codes which require provision of emergency (standby) power to the auxilliaries (battery chargers, heaters) of diesel fire pump.
Thank you.
The requirements for installation of fire pump power wiring are covered by NFPA 20 and the NEC. I am not clear whether the control wiring between fire pump controller and a remote fire pump alarm panel has to be encased or be listed as required by Art. 695.6 of the NEC. Thank you for any...
