Excess aerial cable

[Midd_2005]

Hi all,

Really basic question...

I have a lot of aerial cable in our bedroom that we don't actually need.

Am I safe to just cut it off and push the leftover cable into the hole coming through the ceiling from the loft?

Thanks

Hayley

 

[deadshort]

Hi, yes. there is no risk of electrocution If the cable is coming directly from an aerial. However if it's fed from a TV amplifier in the loft , you may cause damage to the unit by cutting the cable while it's connected to the amplifier.

I bit of investigation, i think

Regards,

DS

 

[EFLImpudence]

I have a lot of aerial cable in our bedroom that we don't actually need.
Am I safe to just cut it off and push the leftover cable into the hole coming through the ceiling from the loft?

Surely those are two options.

You won't need or be able to do both.

 

[Lectrician]

Hi, yes. there is no risk of electrocution If the cable is coming directly from an aerial. However if it's fed from a TV amplifier in the loft , you may cause damage to the unit by cutting the cable while it's connected to the amplifier.

I bit of investigation, i think

Regards,

DS

I wouldn't say damage. Amplifiers will usually shut down on short circuit. Domestic ones shut down completely until the short is removed, commercial ones will often just shutdown one output, or a group. This is the difference between "isolated" and "non isolated" wall plates. Isolated ones are designed for communal installs, and won't shutdown an amp due to dodgy tenant fly leads.

 

[ericmark]

This is the difference between "isolated" and "non isolated" wall plates. Isolated ones are designed for communal installs, and won't shutdown an amp due to dodgy tenant fly leads.

No that is incorrect, isolated wall plates are for the supply directly from the aerial and the capacitive link stops you getting a shock from static build up in the atmosphere. The non isolated are for supplies to mast head amplifiers, and digi eyes where DC has to pass as well as the AC signal. You also get band pass filters which separate VHF, UHF, and Microwave signals which can be combined to allow all signals to go down one coax lead.

It has nothing to do with there ability to shut down with a short circuit.

 

[Lectrician]

An isolated plate prevents DC from flowing, and does prevent dist amps shutting down...

 

[sparkwright]

The BEST thing to do is trace the cable in the loft, and disconnect it.

It will probably run to a booster, and would simply need unplugging.

 

[winston1]

An isolated plate prevents DC from flowing, and does prevent dist amps shutting down...

But there is no DC on the output of a distribution amplifier.

 

[Lectrician]

No, but some TVs output 12v which is not desirable to be passed to a communal amp. Isolated outlets will prevent this, and stop any dodgy signals hitting the amp and disrupting reception for others. Amps do shut down on a short circuit, and having isolated outlets prevents equipment after the wall plate from causing the amp to shutdown.

 

[RF Lighting]

An isolated plate prevents DC from flowing, and does prevent dist amps shutting down...

But there is no DC on the output of a distribution amplifier.

There is on mine to power the magic eyes for controlling the sky box.

 

[winston1]

Getting back to the OPs question. Yes you can cut it off and push it back into the loft. However you may want it one day so why not just pull it all into the loft so it will be available when "one day" comes along.

 

[ban-all-sheds]

magic eyes