Live Testing: Instrumentation, Units and Range

Beschreibung

OB
Oliver Balay
Karteikarten von Oliver Balay, aktualisiert more than 1 year ago
Oliver Balay
Erstellt von Oliver Balay vor etwa 10 Jahre
20
1

Zusammenfassung der Ressource

Frage Antworten
Polarity (Live) Voltage Indicator and a proving unit (or known live source) will be used to check polarity of supply (live)
Earth Fault Loop Impedance (Zs) Earth Fault Loop Impedance tester Low Ohm Note: External earth fault loop Impedance (Ze) is measured through an ELFI tester too.
Prospective Fault Current Prospective Fault Current Tester Unit: kA Note: an ELFI testeter is not the technical name of the instrument for this test.
RCD RCD Tester Unit: ms (milli-seconds) Range: 1/2, 1, 5 times the rating of the RCD Test: 0 and 180 degrees
Functional Testing Switches and isolators will need to be functionally checked to confirm it is operational. RCD Test button (T) will need to checked quarterly (3 months).
Zusammenfassung anzeigen Zusammenfassung ausblenden

ähnlicher Inhalt

Testing for ions
Joshua Rees
Chemistry Ion Testing Quiz
Ben Botting
Testing for ions
Joshua Rees
dimension tests
dario.budimir
Ultrasonic Testing Level I
Rusty Shackleford
Assessment in HE - Answers and explanations available at the end.
Martin Compton
C3 -Test for positive ions
Lily O'Brien
A quiz for testing purposes
Hamdi Nsir
Chapter 6 - CTFL ISTQB
America LH
6. Test Management
Rachel Sprague