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Which definition BEST matches an Instrument Ground Bus (IGB)?
Suggested Answer: B
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11 comments · newest first
VI
Virgilio
5 days ago
Agreed, B makes sense. It's about instrumentation signals.
PA
Paola
10 days ago
I think B is the best choice. It describes the IGB accurately.
LE
Leandro
15 days ago
Agreed, B is the best fit!
MI
Mitsue
20 days ago
C is totally off; it's not about load current.
DE
Detra
25 days ago
Wait, is it really just tied at one point? Sounds risky.
GA
Gail
1 month ago
I thought it was A at first, but B makes more sense.
PA
Paulene
1 month ago
Definitely B! It's all about that independent grounding.
KE
Kenda
1 month ago
I feel like I've seen a question like this before, and I think option B is the best choice since it emphasizes instrumentation signals.
FR
Franchesca
2 months ago
I thought the IGB was more about lightning protection, but I can't recall if that's the main purpose.
AS
Ashanti
2 months ago
I remember studying grounding systems, and I feel like option B sounds familiar as it mentions being tied at one point.
GO
Goldie
2 months ago
I think the IGB is related to grounding for instrumentation, but I'm not sure if it's independent from the AC safety ground.