Lighting for a wood workshop/welding area

[Tigercubrider]

We may be building a new wood workshop and (separate) welding area.
The existing used an old building with fluorescents

Am I right in thinking that flourescents are not recommended for "spinning things" ?
ie a kind of strobe or similar?

I may be mixing this up with something to do when welding was mentioned as well.

am I off track?

ta

 

[bernardgreen]

Am I right in thinking that flourescents are not recommended for "spinning things" ?
ie a kind of strobe or similar?

You are correct, under fluorescent lighting a revolving circular saw blade can appear to be stationary.

The same stroboscopic affect exists with LED lamps where the LED element ( the bit that creates the light ) is fed with a pulsating current.

 

[^woody^]

Are fluorescent lights recommended for anything nowadays?

 

[Tigercubrider]

Probably not!
just checking really that whatever the spec for general lighting is would be ok for specialised spaces.
We run daylight balanced tubes everywhere as a matter of course, and the corridors of our current building had a revamp to LED tubes and PIRs despite plans for demolition.

 

[Deleted member 174758]

You are correct, under fluorescent lighting a revolving circular saw blade can appear to be stationary.

The same stroboscopic affect exists with LED lamps where the LED element ( the bit that creates the light ) is fed with a pulsating current.

To overcome this firms like Thorn Lighting (now part of GE?) used to manufacture flourescent lighting units with a special power supply that produced a non-synchronising frequency (something like 43Hz or the like? - long time since I had to deal with this). That stuff was expensive as it required specific fittings and special tubes. These days the industrial lighting people seem to recommend LED lighting fed from an external DC supply which makes the chances of it happening much less likely.

 

[TimboTwo]

We used to use 400Hz fluorescent fittings in machine shops to prevent the stroboscopic effect.