Pranam Many european and USA uses tubelights at all; and now slowly I could see a few in small numbers and sizes that too on the eastern sectors of USA. Present LED TL is just a fit in and so bright, but once we were able to replace the wornouts like bulbs by ourswelves; now we have to wait for the electrician and live in darkness if there is no second source toi that room. KR IRS 6921
On Sun, 5 Sept 2021 at 20:24, 'gopala krishnan' via Thatha_Patty < [email protected]> wrote: > *TUBE LIGHT* > > Dear friends, > > I was busy in the domestic front for the last few days. Yesterday the > lathe worker was calling his edupiti (assistant) as tube light when he > could not understand what he was telling. > > The lathe worker was welding new tin sheets in the damaged portion in the > front gate of my home. By calling tube light he meant assistant was not > able to understand immediately. At that time itself I was thinking of > writing about real Tube light. > > Tube light was called by elders in my younger days as Banana stem light > since it appeared as 4 feet banana stem. Earlier days even new tube lights > flickered a few times and then only glowed. People often if switched off a > tube light used to switch the same on only after a few minutes. A look in > to tube lights. Other than a nostalgic reading nothing more is meant. > > Gopala krishnan Dated 5-9-2021. > > *1Suspended tube lights.* > > On earlier days the tube light was only suspended from roofing using two > numbers hollow rods and connecting wires were taken through it. The rods > were screwed to frame work. The frame had provisions either to have two > tubes or single tube on holders. Tubes had diameter about the size of a > banana stem. The standard size of tube was 4 feet. It had electrical choke > and starter. > > Whether it was home or office tube light was suspended on those days. > > *2. Starter- a condenser* > > For starting the tube light a starter was required. While the tube light > glowed starter had no use. On this account in offices if a starter was > faulty, the technical staff might take a starter from a working tube light > and put it in another in which starter was faulty. The fault condition > was often checked by shaking the starter. If it produced noice, it might > have become faulty. > > *3. Electronic choke.* > > With the introduction of electronic choke, *starter became unnecessary.* > Wiring became simple. Choke replacement was simply removing a few screws > and disconnecting wires. Putting new choke and screwing, keeping connecting > wires. > > *4. Wall fitting tube lights* > > In homes and offices where necessary wall fitting tube lights appeared. > First versions, the tube lights were fitted on two round blocks without > touching walls. These types of fittings we can see still in temples. > > *5. Two feet fittings and slim tubes.* > > Gradually slim tubes started appearing. Where four feet fittings cannot be > provided two feet fittings were provided. Cost of both were almost same > > *6. Introduction of holders* > > Two holders are fitted n walls and fittings are simply inserted in to it > and connection is given from ceiling rose. Very simple work. > > *7. Detection of faulty tubes* > > Detection of faulty tubes is seen by seeing flickering of tubes or not > glowing. Faulty tubes 70% might have darkness in the ends. > > *8. Introduction of LED tubes.* > > LED tubes come with fitting. Visually one can see only tube and a frame. > Frame is simply inserted in to the holder in the wall and connection given. > One year warranty is given and in Chennai cost is about Rs 400-00. > > *9. Present scenario* > > Most electricians prefer replacement with LED tube. Electrical shops > still have smaller diameter tubes, electronic chokes for sale. Not totally > changed to LED tube light fittings. > > *10 Home reserves* > > Most homes keep reserve of switches, tubes, chokes, tube lights and LED > tube light fittings. Especially on Sundays most electrical shops are > closed. *Our kitchen tube light waits for Sunday evenings to flicker or > not glowing*. Difficulty cannot be told in words to get an electrician on > Sunday in our area. > > > > -- > You received this message because you are subscribed to the Google Groups > "Thatha_Patty" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/thatha_patty/1449459498.2049620.1630853644456%40mail.yahoo.com > <https://groups.google.com/d/msgid/thatha_patty/1449459498.2049620.1630853644456%40mail.yahoo.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/thatha_patty/CAL5XZoo9oeUum-JGVWkqZPrHvSzm2%2BnB5ADisG6rgyB9fedNoA%40mail.gmail.com.
