✅ on any metal edge that touches wire. Vibration from the pour can abrade insulation.
✅ Before the concrete truck arrives, walk the entire deck with a camera. Those photos save you when someone asks, "Is there a box over the third column?" Common Mistakes (And How to Avoid Them) | Mistake | Consequence | Solution | |---------|-------------|----------| | Box recessed too deep | Can't find or reach box after pour | Use a depth gauge or spacers | | Box protrudes below form | Bumps in finished ceiling | Mount flush, check with straightedge | | Forgot a low-voltage box | No data port – must core drill | Color-code low-volt boxes in red | | No grounding means | Violation – can't add later | Include grounding lug on every embed | | Conduit stubbed up crooked | Hard to connect later | Use two strut straps per stub | What Happens on Pour Day? Be present. Do not leave the job site. formboard electrical
If you’ve ever tried to install a junction box or run conduit in a finished concrete ceiling, you know the struggle. That is where electrical formboard becomes your best friend. ✅ on any metal edge that touches wire
Map it. Mount it. Check it. Then pour it. Those photos save you when someone asks, "Is
Need help specifying or installing formboard electrical systems? Contact your local electrical supply house for concrete-tight box kits and hanger bars specific to your deck type.