Safe isolation test

Описание к видео Safe isolation test

http://www.routledge.com/u/electrical...

It is essential that the isolation of electrical ciruits are carried out in a set sequence, and that this sequence is repeated each time a circuit or complete installation is to be isolated. Learn more with this video.
This test is further explained in Chris Kitcher's 'Practical Guide to Inspection, Testing and Certification of Electrical Installations', p25-30, see link above.

For more electrical installation books visit:
http://www.routledge.com/u/electrical/

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