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short circuit

English translation: see explanation

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:short circuit
Selected answer:see explanation
Entered by: Claudia Coja

14:13 Jan 22, 2015
English language (monolingual) [PRO]
Tech/Engineering - Electronics / Elect Eng / Safety
English term or phrase: short circuit
English term or phrase: short circuit
1 – Disconnect the equipment from all power sources.

2 – Isolate equipment: lock and tag all equipment by locking and signalling with appropriate signs.

3 – Test the voltage detector before verification, verify the absence of voltage and test the voltage detector again, after verification.

4 – Earth and short circuit at the point of work and all points of supply.

What does "short circuit" mean here?
A definition of "short circuit"is
A short circuit is an abnormal connection between two nodes of an electric circuit intended to be at different voltages. This results in an excessive electric current (overcurrent) limited only by the Thévenin equivalent resistance of the rest of the network and potentially causes circuit damage, overheating, fire or explosion.
Claudia Coja
Local time: 05:22
see explanation
Explanation:
This is probably very high voltage equipment. The acronym to remember when working on such equipment is SIDE:

Switch off
Isolate
Dump
Earth

Switch off and Isolate are, I hope, self-evident.

The Dump is to dump any charge that may be stored in the equipment. This charge can be dangerous even after the equipment has been switched off and isolated from the power supply. In this case they are dumping it by shorting together the live and neutral.

The Earth part is where the connect the live to earth to prevent any new charges building up.
Selected response from:

Terry Richards
France
Local time: 05:22
Grading comment
Thank you!
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
4 +5see explanation
Terry Richards
4 +2connect together
Tony M
4закоротить/замкнуть накоротко
Igor Kondrashkin


Discussion entries: 1





  

Answers


8 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +5
see explanation


Explanation:
This is probably very high voltage equipment. The acronym to remember when working on such equipment is SIDE:

Switch off
Isolate
Dump
Earth

Switch off and Isolate are, I hope, self-evident.

The Dump is to dump any charge that may be stored in the equipment. This charge can be dangerous even after the equipment has been switched off and isolated from the power supply. In this case they are dumping it by shorting together the live and neutral.

The Earth part is where the connect the live to earth to prevent any new charges building up.

Terry Richards
France
Local time: 05:22
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4
Grading comment
Thank you!

Peer comments on this answer (and responses from the answerer)
agree  Tony M: yes — though not necessarily HV, applies equally to LV stuff too... Good practice! That's what I was always taught even in my normal LV work; and it's saved my life a few times... borrowing someone else's faulty neon tester... :-(
4 mins
  -> Check out point 3 in the context. Either this is serious voltage or somebody is being very paranoid!
agree  acetran
1 hr
agree  B D Finch
2 hrs
agree  Polangmar
8 hrs
agree  Jean-Claude Gouin
15 hrs
Login to enter a peer comment (or grade)

9 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
connect together


Explanation:
For the sake of safety, when working on electrical equipment, EVEN if the power source has been removed, it is a wise precaution to both connect Live and neutral wires to earth, and/or to connect (= short-circuit) Live and Neutral together; in this way, even if power were to be accidentally re-applied, the short-circuit would immediately cause a supply fuse to blow (or other protection device to trip), thus protectingthe worker from an electirc shock hazard.

Tony M
France
Local time: 05:22
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 304

Peer comments on this answer (and responses from the answerer)
agree  acetran
1 hr
  -> Thanks, Acetran!
agree  Phong Le: short circuit = connect Live & Neutral
3 days 17 hrs
  -> Thanks, Phong Le!
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5 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
закоротить/замкнуть накоротко


Explanation:
*

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Note added at 12 мин (2015-01-22 14:26:13 GMT)
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Sorry for providing an answer you did not expect :-).

"Short circuiting" means connecting two points direct across the shortest possible distance.

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Note added at 15 мин (2015-01-22 14:28:50 GMT)
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Sorry. I just did not mind that your question is Eng -> Eng :-(((

Igor Kondrashkin
Russian Federation
Local time: 05:22
Works in field
Native speaker of: Russian
Notes to answerer
Asker: I actually needed an explanation of the term ... in English:)

Asker: It's OK, thank you for the nice intention:)

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