Author Topic: EEVblog #307 - Lab Lighting & Measurement  (Read 19321 times)

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Offline EEMarc

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Re: EEVblog #307 - Lab Lighting & Measurement
« Reply #25 on: July 11, 2012, 01:46:47 am »
That makes me wonder what the illumination of my lab bench is at. I've got 4 tubes about half the distance above the bench. I used to have eye strain issues when working on small stuff. Now I have much fewer issues. I'm still considering adding additional light.

 The following link has recommended light levels, higher light levels are recommended for more strenuous situations.

http://www.engineeringtoolbox.com/light-level-rooms-d_708.html

I'll have to measure my own lighting and compare.

 

Offline Eliminateur

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Re: EEVblog #307 - Lab Lighting & Measurement
« Reply #26 on: July 14, 2012, 05:31:27 am »
very interesting article and very interesting about those wanker laws...
i mean, you live in a country/territory that practically has the most deadliest [whatever] per meter than anywhere else in the world (you have sharks offshore, giant spiders, tiny spiders that kill you on sight, poisonous lizard, all kinds of poisonous shrubberry, and a ton of other giant bugs and stuff that's deadly) yet god forbid you change a wire.....
really bonkers...

and this reminds me i bought a double-tube electronic ballast couple months ago that won't fit my fixture most likely and i'm too lazy to instal.....
 

Offline ot1

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Re: EEVblog #307 - Lab Lighting & Measurement
« Reply #27 on: August 23, 2012, 03:42:49 pm »
In the USA, the homeowner can install or repair their own wiring or switches, fixtures, for major appliances etc, but most don't have the knowledge.  Doing the work for someone else home isnt illegal but you should know what your doing of course.  Depending on the scope of the job, a city or county permit may have to be pulled at a reasonable cost, then the work is inspected for code violations by an offical covered by the permit fee.  New commercial electrical work, almost always, but not always requires a permit, depending on how extensive it is, a permit might be skipped .  Commercial repairs do not, generally.  Commercial work is always in metal conduit, residential mostly not, depending on the city or county but metal conduit really keeps the electrical house fires down, and most of this commercial work is done by a licensed electrician.  But if you own your commercial property and know what your doing, you might skip the permit, but if another trade is working there to complete the buildout and they pull a permit, you could ge fined for not obtaining a permit.

 

Offline T4P

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Re: EEVblog #307 - Lab Lighting & Measurement
« Reply #28 on: August 23, 2012, 04:36:14 pm »
I'll just say that where i live they ( the government ) don't care who does the wiring.
Of course these advantages are quickly out-weighed by the disadvantages
 

Offline ftransform

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Re: EEVblog #307 - Lab Lighting & Measurement
« Reply #29 on: August 23, 2012, 06:13:11 pm »
Lol what the fuck is with those laws. Is that shit actually enforced?\
Do the electrical gestapo come around and check your wiring???

Maybe the laws are so strict because Australia is a dry place hahahahhahahahaha
or because everyone is perpetually wasted
« Last Edit: August 23, 2012, 06:15:49 pm by ftransform »
 


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