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I have a concrete post that is too long. I'm told the shorter one was out of stock and that the plan is to cut the bottom off before it is postcreted in, with a layer of postcrete on the bottom to protect the newly exposed rebar ends. I'm concerned that the postcrete is not waterproof and the...

I have a bundle of cat5e/cat6 and AV cables to go through a plasterboard ceiling down into a patch cabinet in my house. Above the ceiling is an accessible loft. I could drill a 110mm hole in the ceiling, put the cables through and then seal the gaps up with spray foam. Is there a gland or...

What is recommended practice for fire zones? I've set my Texecom smoke detector zones to a separate area just for smoke detectors. This is because I don't want the external sounders going off if a fire zone is triggered. But I do want internal sounders and keypads to sound on a fire event...

I have a Premier Elite 640 with approx 80 zones all powered from the main panel. For testing, no bells are connected, no other power sources to the expanders, no batteries in any zones. *Without* the panel battery connected, the system current is stable at 1.9A With the panel battery...

My plumber has laid PVC 32mm solvent weld waste pipe ready for the pressure and temperature relief drainage for a new 90l unvented indirect cylinder. Is this ok? I thought metal was recommended but he says it is high temp waste pipe. Will it cause me problems on an annual inspection? Here's a...

I have this panel on v3, with around 70 zones including 1 wireless expander. I've been using it with a ComIP and usb serial interfaces for Wintex and home automation. I'm changing to Homeassistant for my automation, so need to upgrade to use Smartcom and the new app. I have also bought a...

I have a single skin shed that was built for me as a bit of an afterthought amongst other renovations. It is built on top of a patio. The other side of this block wall is soil. In between the shed wall and soil is a membrane, then another single skin wall about 1m height, then the higher ground...

Discussing some work with an electrician including upgrading the tails from 16mm2 to 25mm2 We are on a TT system. All circuits are protected by 30mA/30ms RCBO or RCD as well as 100mA/100ms Type S as the main switch on the CU. He said that the cable going to the earthing point needed to be...

Looking for smart lighting for a new kitchen + diner. All lights will be individually wired back to a control box with relays and or dimmers. Home automation system is HomeSeer. I want to use relays to select the colour temperature of the lights. While cooking, I want a "cooking" scene, with...

A drill bit snapped off inside the chuck of my Titan drill. I need to remove the split ring around the chuck in the photo. I do have some circlip pliers but they are designed for circlips with flat ends and holes. How can I remove this ring? Cheers.

I have a 60A service fuse and 16mm tails from cutout to meter. I have 25mm tails from meter to isolator and from isolator to CU. I paid the DNO to move the overhead supply cable to underground. They would have replaced the fuse with a 100A at the same time, but didn't because of the 16mm tails...

I have a few 3 core SWAs supplying sheds and garage coming into a plastic junction box inside the house (in a mini plant cupboard) where they connect to individual T&Es using chocolate block. The T&Es then go onward into separate circuits in the CU on the other side of the house. The SWAs are...

I have a new block wall and new driveway going in. I expect to put some form of LED down lighters fixed near the top of the wall. The wall is around 2m high. I've got individual runs of 1.5mm 3core SWA running to the light positions on the wall. The block wall will be rendered and I expect to...

I have a single skin block-on-edge outbuilding. I need to put a flat roof on it, probably EPDM from an online place. I've installed one of these before with good results. The outbuilding will be used as a workshop, containing pillar drill, saw etc. It will not normally be heated. I think the...

Thinking about using these for my next automation project. Wondering what the best layout would be? Up until now I have ABS enclosures dotted around the house. Each enclosure would typically have one or more RCD/RCBO protected sources (eg. lighting radial, power) along with their Neutrals and...

I'm trying to find a T bolt or nut that will fit into this track. All the ones I can see have the wrong shape, or are slightly too thick. I found some thin headed ones but they are too wide for the slot. For background, I won't be suspending this fixture, It'll be stood on end, portable...

Thinking of getting one of these. The mains water is very hard where we live. I want to plumb in a decent filter on the feed to the tank, not the expensive proprietary filter which is available as an addon. I want to use one of these https://www.pozzani.co.uk/product_info.php?products_id=158...

A few niggly questions that I've stored up for a while. The "part" and "area" buttons don't arm the system when using the app or Wintex keypad. They work fine from the physical keypads. I am using keypad areas, but not area arm suites. I guess it is because the app and Wintex keypads are not...

Boiler is a British Gas (Bosch) 537i which is about 10 years old. We have 14 radiators. There is an auto bypass valve fitted. The pressure gauge reduces from 1 bar to 0 over about a day. During this time water is released from the PRV discharge pipe, but only 100 to 200ml. It then takes only...

I had a Premier 48 with area B set up as the garage. I used a zone output wired to a latching zone input to auto arm this area as per this post. The zone input was set to silent arm and instant arm for area B...