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150w CU Phosco P456 replacement job The owner of this site got in contact with me regarding their car park lighting in much need of a repair. Knowing at least two had been out of light for 6 years and missing their bowls, suggested two lanterns needed replacement. It was decide to make things easier to swap the P456 globes for second hand Urbis ZXU1s running 70w SON E lamps. On the day we discovered not only did 2 have dead gear and two needing igintors, all their bowls had become brittle with age / the heat of burning 150w SON E lamps! Also only one globe worked so very over due a repair. Needless to say this was a very good replacement installtion, not only did we save the owners wattage, we have made the whole car park and walk areas better lit!

150w CU Phosco P456 replacement job

The owner of this site got in contact with me regarding their car park lighting in much need of a repair.

Knowing at least two had been out of light for 6 years and missing their bowls, suggested two lanterns needed replacement.

It was decide to make things easier to swap the P456 globes for second hand Urbis ZXU1s running 70w SON E lamps.

On the day we discovered not only did 2 have dead gear and two needing igintors, all their bowls had become brittle with age / the heat of burning 150w SON E lamps!

Also only one globe worked so very over due a repair.

Needless to say this was a very good replacement installtion, not only did we save the owners wattage, we have made the whole car park and walk areas better lit!

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Filename:20220123_160217.jpg
Album name:Mrstreetlight / Street Lighting Maintenance
Filesize:3567 KiB
Date added:25 Jan, 2022
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Comment 1 to 18 of 18
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FrontSideBus   [25 Jan, 2022 at 12:29 PM]
It's strange seeing a SON-E in this. I'm used to seeing T lamps used usually. Will certainly give a nice soft light.
Mrstreetlight   [25 Jan, 2022 at 01:13 PM]
I'm really pleased how the light these give off is softer to the eye and i feel makes better use of the optic
AngryHorse   [26 Jan, 2022 at 09:33 AM]
E lamps do look better in these Very Happy
Mrstreetlight   [26 Jan, 2022 at 12:24 PM]
I always had a soft spot for SON E, mostly as they were common in MK and they gives off a nicer light Smile why people moved away from SON E to SON T i'm not sure?
FrontSideBus   [26 Jan, 2022 at 04:09 PM]
Indeed.
Nick217   [26 Jan, 2022 at 04:43 PM]
Son t cheaper and more light output.
Mrstreetlight   [26 Jan, 2022 at 06:33 PM]
Makes sense then why SON E went out of favour towards the mid 2000s when cost cutting and more bang for the buck..
lampy   [30 Jan, 2022 at 09:08 AM]
high wattage son I lamps actually came to be in the late 1960's in street lighting, think large wattage sonI lamps fell out of favour in the 1980's
Mrstreetlight   [30 Jan, 2022 at 09:31 AM]
Ooh really! Was the idea of SON I swap from MBFU?
FrontSideBus   [30 Jan, 2022 at 01:33 PM]
Well when you think of back then when they were being retrofitted into big old lanterns like big G.E.C Z8526 and Thorn Alpha 3 ect, they had optics designed for big MBF lamps.
AngryHorse   [01 Jan, 2025 at 04:57 PM]
I have to give a shout out to James, as this is what inspired me to put the Arc back to how it should have looked! Cool , E lamps look nicer in these than T
Mrstreetlight   [05 Jan, 2025 at 09:05 AM]
Thats nice of you Rich! I really do like SON E for the softer light Smile
AngryHorse   [05 Jan, 2025 at 07:40 PM]
Yes the E looks so much better in here, we never used elliptical lamps here, not even for 50 and 70 installations, but I remember seeing them in a little village in Staffordshire round about 2005?, when you posted this, it instantly reminded me of them, and a new found use for my Philips haul Cool
Mrstreetlight   [06 Jan, 2025 at 09:15 PM]
Milton Keynes use to use elliptical SON E for 50w and 70w what appeared from the time they went from MBFU to SON, i assume they used SON E to be simliar lookto MBFU lamps? I did like them alor seeing SON E as a kid in the late 1990s before around 2004ish they went to SON T. Nice to hear they were used else where from what you say
AngryHorse   [07 Jan, 2025 at 05:30 AM]
The very first SON installation in our town were 150 watt along Booth Lane, but the first residential installation was about a year after using Industria 2600s and 50 watt SON-T, they mounted the 2500s on new steel columns in direct post top form Cool , I remember how awesome they looked as I’d never actually seen BETA type lanterns mounted like this!, I also remember being surprised how far back the lamps sat in the 2600 though! Shocked I hadn’t seen this before either! Very Happy
Mrstreetlight   [07 Jan, 2025 at 05:24 PM]
All so exciting stuff back then! I assume mounting the lamp at the back was to shine more light forwards?
AngryHorse   [07 Jan, 2025 at 08:32 PM]
Definitely Very Happy, they looked awesome when they were new, after 32 years of SOX, to see SON in a 2600, (not even knowing who made them or what they were back then), the light from these ‘new’ street lights was something special to see for me! Cool , that’s that magic I wish we had again with street lighting, in the early 90s! Cool
Mrstreetlight   [09 Jan, 2025 at 07:58 PM]
Reminds me when i saw CDM for the first time in 2006 age 12 and thinking how exciting it was! Those times are going to be real hard to see once more

Comment 1 to 18 of 18
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