Joist Drilling Do's and Don'ts: What You Need to Know

Getting a cable from A to B is simple... right? Did you know that if you drill a hole in a joist in the wrong place you can weaken it? Or that a building inspector can refuse to sign off a new build if holes are in the wrong places?

Guest presenter Ross Howell takes us through the positions where we can drill a hole and where we can't, giving us all the information we need to know to keep our electrical installations compliant with BS 7671 and the Building Regulations.

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00:00 Drilling holes in joists
00:20 Building Regulations Part A
00:35 BS 7671 Regulation 522.8.14
00:59 Structural Engineers Take Note!
01:27 Rick's Tool Time: Mandrex Ultimate SpeedXbit & Ultimate 4X PowerXbit
02:07 IET Guidance on Drilling Holes in Joists
02:55 Visual Examples of Where to Drill Holes in Joists
03:54 BS 7671 Regulation 522.6.204
04:06 BS 7671 Regulation 522.6.201
04:21 Quick Maths!
04:50 Calculation for Typical Span of Joists
05:09 Catastophic Results of Drilling in the Wrong Place on a Joist!
05:40 How to Avoid Lifting Boards and Finding Pipework

#drillingjoists #mandrex #electricalinstallation #electricalwiring #electricalwork