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Chapter 4

What is the first thing connected using a BCT and bonded to the electric systems grounding electrode? TMGB Telecommunications Main Grounding Busbar
What is TGB? and Where is it located? Telecommunications Grounding Busbar / TR
A TGB should be bonded to what two things? TBB Telecommunications Bonding Backbone / Building Steel
Besides the BCT what are the two supplemental bonding connections for the TMGB? Building Steel / AC electric branch circuit panel
Where is the TMGB located? EF
Where are TGB's located? an ER or any number of TR's
How far are the standoff brackets for any busbar? 2"
Should you make the supplemental bond to an AC panel? No, this should be done by a qualified electrical installer.
According to the ANSI J/STD-607-A. What should be installed every 3rd floor and on the top floor? GE Ground Equalizer
What is the min bend radius of 6 AWG ground wire? 8"
What bonds equipment racks to a TGB? TECB Telecommunications equipment Bonding Conductor
What type of conductor extends the full length of the rack? RBC Rack Bonding Conductor
What type of conductor is mounted at the top of a rack? RGB Rack Grounding Busbar
In a single rack environment what conductor is not required? RBC Rack Bonding Conductor
What is the max value of bonding resistance between two points? 0.1 Ohms
What are two types of bonding connections? Exothermic Welding and Two hole connectors
What are two types of telecommunication circuit protectors? Primary / Secondary
What two types of primary protectors? Fused and Fuseless
What is the fasted reacting fuse type? A. Carbon Blocks B. Gas Tubes C. Solid State C. Solid State 3 to 5 ns
Which secondary protector does not require replacement? A. Heat Coil B. Sneak Current Fuse C. PTC C. PTC Positive temperature coefficient resistor
What does the ANSI/STD-607-A cover? Grounding and Bonding
Created by: smorita
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