Give us a clue, how old is the MEM distribution board and installation? 25 to 35 years old? And going off the PV system diagram in The Big Blue Book your array should be connected to the main earth bar, it`s not for lightning protection but electrical safety. Chances are you are getting a...
He just has to be competant in his job, which his ongoing empolyment by the company would indicate. And fill in IEE pattern forms to record any new installs or minor works in house. I`ve worked maintenance on and off for 40 years for various companies as inhouse or for sub contractor company and...
I`d say yes , have done it in the past and have seen it on other large commercial installs. Extraneous-Conductive-Part – A conductive part liable to introduce a potential, generally Earth potential, and not forming part of the electrical installation...
What cracks me up about Electrical Trainee`s is when they get a piece in the business section of the paper about how fantastic they are that after 18mths/2yrs they have decided to set up a training co train other Electrical Trainee
Are there no records from previous works for these builders? Have they given you the plans? Used to do work for Barretts etc we had a "bible" with the drawings in, there could be different layouts affecting installation cost
A quick google brought up this, no practical but 100-150 multiple choice
Overview of the Red Seal Examination / Red Seal - http://www.red-seal.ca/resources/.2x.1ms_.1b.4.5t-eng.html
A quick google brought up this, no practical but 100-150 multiple choice
Overview of the Red Seal Examination / Red Seal - http://www.red-seal.ca/resources/.2x.1ms_.1b.4.5t-eng.html
Had this several years ago doing periodic tests in Comet stores.
Had 30 ish SqD rcbos giving trip times on the meter but not disconnecting the supply. There was a very quiet recall in progress for sticking mechanisms ,Schneider provided free replacements and paid for labour.
Then join E & N together , Metrel testers have a double end on one of the probes to do this. Apart from this the OSG shows how to take Zs from a light sw.
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