What Is Underfloor Busbar Trunking?

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Is an Underfloor Wiring System the Solution to all Your Commercial Installation Needs?
If you're interested in moving into large commercial installations then understanding the @MarshallTufflex Underfloor Wiring System is a must for you. Joe Robinson heads down to a brand new building for Imperial College in London to see this system being installed in person.
An incredible range of products in this category from underfloor powertracks and connectors to floorboxes and desk socket accessories, you'll love watching this system being installed and reviewed.
Sign up for the full FREE Underfloor Wiring Systems Training Course
hub.efixx.co.uk/mt-underfloor-...
🕐 Chapters 🕕
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00:00 Marshall Tufflex are so much more than trunking
00:23 Training Course: 👉 hub.efixx.co.uk/mt-underfloor-...
00:38 The flexibility of underfloor wiring systems
01:03 63A Powertrack with tap off points
01:18 Connecting the power track to the supply
01:53 The mystery third connection: 👉 • What Is a Clean Earth ...
02:24 Extending the powertrack system
02:42 Tap off units to get the power where you need it
03:38 Tap off units connect to in-floor socket boxes
03:58 Endlessly adaptable floor boxes or pre-assembled units
04:41 Under desk sockets for greater convenience
05:01 Wieland GST connectors make life easier
05:14 Loads of options for under desk socket arrangements
05:23 RCD protection for socket outlets
05:55 Why the tiny fuses? 👉 • BS 7671 Won't Tell You...
06:17 On desk sockets for even greater convenience
06:35 Some great variations for data and USB connections
06:48 Our verdict
06:56 Training Course: 👉 hub.efixx.co.uk/mt-underfloor-...
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❌ This content on this channel is for electrical professionals.❌ ==================================
📹 Presented by
Joe Robinson - Technical Editor
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#electricians #electricalinstallation

Пікірлер: 32

@BEARELECTRICS.DCSPARKS 4 ай бұрын

Is it IP rated for water ingress? Wouldn't want 400v up the leg 😅

@patrickd9551 4 ай бұрын

Lol, 16 mm2 cable providing up to 63 amps secured by a mere single terminal block using the most crappy screw head ever designed for this purpose. Sure 16 amp circuits are regularly installed successfully using such screw, but 63amps and heavy gauge wire really do require some additional care.

@tlangdon12 4 ай бұрын

Legrand also makes a similar system, but have a Three-Phase option as well as the Single phase and Clean Earth options available from Marshall Tufflex. The Legrand system is called Electrak. I was responsible for a site that used it extensively under the raised floors in the offices and computer rooms.

@efixx 4 ай бұрын

Thanks for the comment.

@davefish8107 Ай бұрын

Was installing this about 40 years ago

@GabrielWB 4 ай бұрын

A bit offtopic, but those analog old-school Volt and Ampere meters on the back wall in the studio area. What brand are those? They look neat.

@oatlord 4 ай бұрын

A raised floor that didn't look 30 years old fresh out of the box. Impressive.

@efixx 4 ай бұрын

😂 They do seem to attract a bit of mess don't they?

@patrickd9551 4 ай бұрын

the secret sauce is probably either a vacuum cleaner or a freshly installed raised floor that is not 30 years old 😁

@ja_adam_ 3 ай бұрын

How do you calculate these? No current carrying capacity and mv/a/m for this in regs like normal cables so how would you calculate volt drop etc

@danishhayatlat 3 ай бұрын

I have 18 desk arrangement and each desk is having 2 nos underdesk 4 gang socket module and the load for each desk 4kW diversified to 2kW. Can I propose 63A tpn busbar with 32A unfused tap-off supplying 2 desks for L1. Same for L2 and L3.

@bonnyriggcraig 4 ай бұрын

Are the 2 earth terminals not for a high integrity earthing system?

@efixx 4 ай бұрын

Not in this case, high integrity earthing is a little different to a clean earth. Check out our training package for more info: training.efixx.co.uk/course/underfloor-wiring-systems-in-association-with-marshall-tufflex?previouspage=home&isenrolled=no#/home

@cityfanjohn 4 ай бұрын

Did a lot of commercial re-fits , where this was already installed , its called Canalis track,, trunking system,,, , , although , overhead , above the ceiling ,, 3 phase ,, , the outgoing ways ( plugs and leads ), you just change the pins .to suit the phases ,, . to balance the loads,, and run to wherever you want,,,,, . this was in the u.k , and about 10 years ago,,, , not sure if it common anymore? , Not sure if it was something which was a trial, at the time,, but definitely come across this.. i reckon it was , say, 3 lots of 3 phase busbars running the length of a commercial premises ( large shop floor ) ,, , and could just tap off where-ever you wanted... a bit of future proofing , maybe , but also to minimise labour and material costs for any additional circuits.,,.' Zs was always a decent reading tho,,, ..

@efixx 4 ай бұрын

Great comment, thanks for the insight. 😊

@MrFiver1111 4 ай бұрын

Ive seen similar systems in museums, since they re-arrage exhibitions and need to swap sockets around, for some offices too but I imagine you werent doing this for the whole block of flats, it would become prohibitively pricey

@markyd2633 4 ай бұрын

Liking a lot... .

@JL-rx6hl 4 ай бұрын

63A busbar with a bit of chocblock as the input.............. really??????!!! and compared to a normal extension lead I wonder what those MT ones cost?

@fodl4387 4 ай бұрын

That was the first thing I noticed and everything after was meaningless due to that. Ffs why would anyone think this is acceptable in an equipment like this.

@efixx 4 ай бұрын

If it's correctly rated why is it a problem?

@patrickd9551 4 ай бұрын

@@efixx correctly rated doesn't fix the inherent problem of incorrect install. Any and all installations at such high currents have torque ratings and specialty screws to ensure proper operation. Have you ever seen a (recent) 63amp distribution board use choc blocks for input? They either use crimped on spade connectors or dual clamp down screws that is either a hex head or torx so you can apply proper torque. 63 amps is no joke. slotted or flat head screws are simply irresponsible in such applications. And then the joke of allowing up to 16mm2 cable to feed into such a unit. 63 amps is 10mm2, allowing 16mm2 will result in ... well disaster. Considering the market for this type of busbar that is, which is the cheap (and thus dangerous) ones

@dinc15 4 ай бұрын

@@patrickd9551 "the joke of allowing up to 16mm2 cable to feed into such a unit" Explain? In a large commercial space, multiple of these units will be run in one space, ergo cables would need to be upsized for grouping factors, etc from the supply. Just because a 10mm would be "sufficient" for 63A doesn't mean it's correct, there are variables to consider. It's perfectly logical for manufacturers to allow larger-sized cables to be terminated into their equipment as it makes the product more viable for designers and installers alike.

@patrickd9551 4 ай бұрын

@@dinc15 Okay lets assume the possiblity of daisy chaining. If you want to daisychain two 63 amp circuits, how large would your primary feed need to be? If you answer 25mm2 you'd be correct. Now please explain to me how you would fit a 25mm2 cable PLUS whatever downstream cable you need for that daisychain? The only reason for 16mm2 cable for a 63 amp circuit is a really long cable run. And guess what, you have dedicated sub base boards for that specific purpose. 63 amps is no joke and if you go down the path of installing such heavy circuits, you'd be better off to invest in some proper equipment. Proper being something that doesn't contain chocblocks for starters.