Lyn-Guard

[PJHassselt]

Hi,

 

I bought two Lamptan LED tubes in a IP 66(?) enclosure.

 

The tubes are equipped with a "LYN-Guard".

 

I do not understand the Google translation. All information I find about it is only in Thai, and my wife can also not help with translating.

 

What is the meaning from this thing, and more important, what do I need to do with it?

 

Peter.

 

[Crossy]

"Line-guard"?

Possibly surge protection?

 

Could you scan and post what documentation you have?

 

EDIT Lord only knows: -

 

[degrub]

@Crossy

looks like it is an insulating strip that you pull out after installing the tube in the sockets based on what i see on this catalog page 

 

https://markprolighting.com/shop-2/lamp-led-category/led-tube/lamptan-lyn-guard-de-t8-20w-2500lm-day-120cm-on-off/

 

i could not find other details. I would hope there is an installation page included with the tubes / fixture.

 

[PJHassselt]

It looks a bit like the things to protect a battery operated device to switch on during transport.

 

 

[Fruit Trader]

LED tube plastic safety tabs.

Double ended tube fittings have a live end and a neutral end. If the live end is inserted first there is risk of electric shock from the exposed neutral end  before it enters enters the socket. The plastic guard tab isolates pins at one end thus eliminating the risk. The tab is removed once both ends of the tube are securely located in their sockets.

[PJHassselt]

When I understand the manual correct they say remove it, and place it back the other way around. But why should you want to protect a LED tube from entering current?

 

[Fruit Trader]

Just now, PJHassselt said:

When I understand the manual correct they say remove it, and place it back the other way around. But why should you want to protect a LED tube from entering current?

 

 

Just now, Fruit Trader said:

LED tube plastic safety tabs.

Double ended tube fittings have a live end and a neutral end. If the live end is inserted first there is risk of electric shock from the exposed neutral end  before it enters enters the socket. The plastic guard tab isolates pins at one end thus eliminating the risk. The tab is removed once both ends of the tube are securely located in their sockets.

 

[PJHassselt]

1 minute ago, Fruit Trader said:

LED tube plastic safety tabs.

Double ended tube fittings have a live end and a neutral end. If the live end is inserted first there is risk of electric shock from the exposed neutral end  before it enters enters the socket. The plastic guard tab isolates pins at one end thus eliminating the risk. The tab is removed once both ends of the tube are securely located in their sockets.

OK, sounds reasonable!

 

Thanks!

[Crossy]

Of course, if the switch is off and correctly wired then there shouldn't be a hazard.

 

Ah ... 

[digbeth]

I've seem to read somewhere that it's new TIS standard, mandatory on newer tubes now, but in actual use they're hard to pull once installed, so just pull them up before inserting and we're back to square one

 

the twist type tube holder are safer than the spring loaded one in this regard

 

but aren't there types where one side is L and other side is N, and other case where both L and N are on one side and the switch bridges the other side for use in the other case, I've seem to burned out a light due to being the wrong type

[bluejets]

20 hours ago, Fruit Trader said:

Double ended tube fittings have a live end and a neutral end. If the live end is inserted first there is risk of electric shock from the exposed neutral end  before it enters enters the socket. The plastic guard tab isolates pins at one end thus eliminating the risk. The tab is removed once both ends of the tube are securely located in their sockets.

It's not the tube that is live and neutral ended, it is the fitting into which it is being installed.

Same outcome though but I fail to see how throwing the so-called isolator bung away during installation would help if one were to remove and replace the same tube for any reason.

 

Same procedure should apply as with ALL mains work, test for live. (Crossy picked up on that above.)

[Fruit Trader]

3 hours ago, bluejets said:

It's not the tube that is live and neutral ended, it is the fitting into which it is being installed.

Same outcome though but I fail to see how throwing the so-called isolator bung away during installation would help if one were to remove and replace the same tube for any reason.

 

Same procedure should apply as with ALL mains work, test for live. (Crossy picked up on that above.)

 

 

 

23 hours ago, Fruit Trader said:

Double ended tube fittings have a live end and a neutral end. If the live end is inserted first there is risk of electric shock from the exposed neutral end  before it enters enters the socket. The plastic guard tab isolates pins at one end thus eliminating the risk. The tab is removed once both ends of the tube are securely located in their sockets.

 

 

 

[Fruit Trader]

3 hours ago, bluejets said:

Same outcome though but I fail to see how throwing the so-called isolator bung away during installation would help if one were to remove and replace the same tube for any reason.

 

Same procedure should apply as with ALL mains work, test for live. (Crossy picked up on that above.)

 

Sometimes one must think outside of the box and the ideal world it might portray on the inside.

LED tube manufacturers have attempted to reduce risk of electric shock for the thousands of people who purchase and replace lamps every day of the week without the need for specialist training and test equipment.

But in the case of LED tubes with removable safety tab, what happens if these people decide to remove the tube after the tab has been discarded? This is where risk assessment ends for some manufacturers while others have gone one step further and included a permanent isolation switch at the end of the tube.