This table cross references many popular cable types against their appropriate cable group to aid the selection of an appropriate co-axial connector. If plasterboard, use a stud detector to detect any horizontal studs and if there are any, mark and cut the face of the plasterboard out either side of the stud. Notch the stud out to the depth of around 15mm using a chisel. You can then re-tighten all the terminal screws, ensuring that all the wires are correctly fitted and securely held in place. Make sure you don’t overtighten at this stage. However pulling up floorboards, carpet, laminate etc. can be a nightmare and might not be possible so it may be easier to run your cables form the loft, through the ceiling and then down the wall.

Cables may be placed in floor or ceiling voids but not amidst, or wrapped in insulation as they can become too hot, over heat and catch fire

Want to view product prices with or without VAT?

If you have had to make any holes then they will need to be repaired. See our project here on repairing holes in plasterboard for more help. Next, screw the base of the junction box to the side of an adjacent joist, or to a batten nailed between joists. Then it’ll be within reach of the cut ends of the main cable. Step 5 Here, we’ve discussed how to convert metric sizes to SAE ones. Follow this table and you won’t have to take the hassle every time. Designed originally as a tightly specified co-axial connector for low power RF applications, the BNC has become the connector of preference for many communications, video and, until recently, computer network installations.

Do you have access to a scrap of plasterboard you could use? If so, get a piece that's slightly larger than the section you want to replace, only - not the whole hole. These colour codes are offered as guidance in allocating circuits and investigating existing installations. Generally, the conversion is done from metric to the imperial system.If you’re savvy with the Imperial to Metric conversions, this might be easy for you. Before beginning, please make sure you read through the below warnings to keep yourself and your family safe.In a suitable location, cut the ring or radial cable in half using some wire cutters. Estimate how much outer sheath needs to be stripped to allow the inner cores to reach the terminals and strip it away for both cut ends, and also for the end of your new supply cable. Firstly, all electrical works must comply with IEE Wiring Regulations 18th Edition. The Regulations apply to the design, erection and verification of electrical installations, also additions and alterations to existing installations. Choosing the right driver is important There are three main types of drivers, these include- ½” Drives Next, re-tighten all the terminal screws, ensuring that all wires are correctly fitted and securely held in place. Do not overtighten. Canford by acoustics consultant Tony Woolf, who specialises in design of broadcast and recording studios, and in hearing