LSOH or LSZH (low smoke zero halogen). Hydrogen chloride - a halogen, or salt-producing chemical element - is another dangerous gas emitted by some types of PVC when it burns or melts. It can cause breathing difficulties and lung damage if inhaled or skin burns if touched. If mixed with water it will form hydrochloric acid. LSOH insulation will emit neither fumes nor halogen in the event of a fire The external work may have already been completed to your house, so all that remains is to complete the fibre installation in your home. You'll need to be at home to let the engineer in. The appointment will last up to four hours. What is phone cable used for? You might think the answer is straightforward - telephones! Of course, they are central, but this type of cabling also has other uses. These include:

I have never had this level of detail of advice when talking to the BT sales/contract renewal people. I have what should be a simple question but struggle to find an answer for - which I need before my upcoming contract renewal (or not).Before leaving, the engineer will reconnect one of your computers to demonstrate that it's working OK. The engineer will also help you install the set-up disk on your computer. They'll leave you with this disk so that you can install the software on any other computers you've got. This said... you could get a coupler, and a "singlemode" SC/APC cable (if our suspicions are correct about the connector and fiber type). This might work, but due to the nature of what you're dealing with, we cannot be sure. If we need to visit, the engineer will recommend where to put the equipment, but it will speed up your installation if you think about where you want it to go. We can use a 30m extension cable, but it can only go along walls - not under carpets or floors - so please move any furniture that's in the way What is the signal's condition at the moment? (it's a run of unknown length, with an unknown transceiver at the other end)

There are various ways that Openreach can connect your Fibre to the Home service depending on what's available for your property.Some other TV services need a phone line, in which case the TV box must connect to the phone part of your microfilter. Please refer to your user guide or TV service provider for help This stage usually happens seven working days after stage one, and you'll need to be at home to let the engineer in. The appointment will last up to four hours.

First of all, we'll connect a fibre cable to a small box that we'll fix to your outside wall, close to where your phone line enters your home. We'll drill a small hole in your wall to push the cable through, before covering it tidily with the box. It's worth bearing in mind that fiber doesn't typically get "extended", but rather spliced (fusing the two cores to form one continuous core) due to the losses, reflections, and other degradation to the signal. This isn't something that you'll be able to do yourself, and won't be something that the "standard" OpenReach guys can do either...

BT Extension Leads

I appreciate your replay but I really want to know how BT will ensure they provide all the needed equipment and ensure the extensions keep working - without that assurance I will keep as I am for as long as possible.