luminaires

luminaires

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  1. S

    Level 3 Design assignment question

    Hi guys I’m studying from home for level 3 and it’s very hard. Could someone please help me pick which wiring system I should use in the main workshop for the luminairee- and why that system would be best. I have attached the pictures of the information you may need below.
  2. marconi

    what discharge lighting factor to use for hf flurry luminaires?

    I have been helping out a fellow with his lockdown assignments. One of the questions was about design. There were 60 or so high frequency electronic flurry luminaires each being 58W. The question was to work out the design current. In the feedback on his first attempt his tutor said he had...
  3. D

    LED Luminaires - flicker/strobing

    I'm looking to fit out lighting in a new workshop that contains a number of machine tools. I want to use 600x600 LED panels surface mounted on the ceiling to get a nice flat fill without shadows. But I am concious that some LED panels strobe at 100Hz (presumably because the PSU manufacturer...
  4. E

    Why do T5 Tubes in Emergency Luminaires Wear Out?

    LO All, The title says it all really. I've just tested a shed load of 11 year old emergency lights and effectively all of them have failed or failing tubes. Since the most that they should have been on is 11 x 1 hour and 1 x 3 hours per year why would a 5000 hour lamp fail? After 11 years I...
  5. Soulsurfer

    Glass globe type exterior luminaires ?

    Hey all, I have a tricky elderly customer who needs very old and defective wall mounted lights replaced or repaired if possible. Thing is they are BC lamp holders set off a mount of a black arm screwed to wall with an approx 200mm / 8" glass sphere on top which is tinted/smoked glass. I have...
  6. P

    Suspending luminaires - help needed

    Hi guys, Can anyone suggest a safe way to suspend light fittings (for offices)? Currently, I have installed conduit hooks and chains hanging down (2 for every light fitting) but what's the best way to attach the light fitting to the chains? Has anyone got a link they can share where to buy...
  7. S

    Marine environment luminaires

    Hi, I've been asked to install wall lights to a decking area on a seafront property. The old lantern style ones having rusted considerably, however I am having a hard time sourcing decorative fittings suitable for a marine environment, such as 316 stainless. Any suggestions of a...
  8. P

    external luminaires

    new install/new build..my client has decided to delay purchasing the o/s lights (5 in all) i assume i need to disconect every one now as i cant leave possibe "switched live" taped up indefinately?....spose he could buy cheap ones for now....save me charging him twice?..any views welcome. regards...
  9. I

    High Quality Intelligent Energy Efficient Luminaires for the Industrial Sector

    Somar are a manufacturer of High Quality Energy efficient luminaires for the Industrial sector. specialising in Warehousing, Manufacturing and any industial facility over 5M in height We are looking for Qualified electrical contractors as installers and also as referral partners which can be a...
  10. I

    Bathroom Luminaires

    I have a question relating to luminaires I wish to install in a Bathroom - well shower room. I should KNOW this but I'm unsure as my interpretation of the regs seems at odds with general opinion. Just what kind of main lighting can I fit in this room? The location of the fitting will be...
  11. J

    IR test on luminaires in a explosive atmosphere

    As part of a Peridic Inspection test, on a 230v circuit having luninaires in a Explosive Atmophere area - the reason why the switch controlling the luninaires has been left in the off position?
  12. S

    Converting T8 luminaires to T5

    Any one used the 'saveiteasy' or the 'tubesaver' convertors to convert t8 luminaires so they can use t5 lamps. Do you recommend one over the other? Did you still disconnect any of the old circuitry in the lamps such as the capacitor? Do you recommend the HO or HE versions of the T5. Any advice...

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