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Direct Burial Pre-Formed Detector Loops
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Standard Direct Burial Sizes
Reverse Loop Kit with 40’ Lead-in. Concrete, Asphalt or Pave-over Pre formed Detection Loops.
BD Loops Part #
Direct Burial Loop for under asphalt, pavers, or concrete.
RL 20-40 4’x6’ or 3’x7’
RL 24-40 4’x8’ or 3’x9’
RL 32-40 6’x10’ or 4’x12’
RL 36-40 6’x12’ or 4’x14’
RL 44-40 6’x16’ or 4’x18’
RL 52-40 6’x20’ or 4’x22’
Exit Loop Kit with 60’ Lead-in. Concrete, Asphalt or Pave-over Pre formed Detection Loops.
BD Loops Part #
Direct Burial Loop for under asphalt, pavers, or concrete.
EL 20-60 4’x6’ or 3’x7’
EL 24-60 4’x8’ or 3’x9’
EL 32-60 6’x10’ or 4’x12’
EL 36-60 6’x12’ or 4’x14’
EL 44-60 6’x16’ or 4’x18’
EL 52-60 6’x20’ or 4’x22’
Exit Loop Kit with 100’ Lead-in. Concrete, Asphalt or Pave-over Pre formed Detection Loops.
BD Loops Part #
Direct Burial Loop for under asphalt, pavers, or concrete.
EL 20-100 4’x6’ or 3’x7’
EL 24-100 4’x8’ or 3’x9’
EL 32-100 6’x10’ or 4’x12’
EL 36-100 6’x12’ or 4’x14’
EL 44-100 6’x16’ or 4’x18’
EL 52-100 6’x20’ or 4’x22’
Pre-formed Direct Burial Loop
Used for installations under concrete, asphalt, pavers, or gravel roads. The most common installation is the loop tied directly to the rebar before concrete is poured. Wire is UL 493 certified designed for a direct burial application. Unlike loops wrapped through PVC, The BD Loop does not have an air pocket resulting in fewer repeat service calls due to phantom detections caused by ground vibration. Built with a high quality solid 14 AWG wire out performing other pre formed loops with twice as much copper per foot allowing higher detections. Solid 14AWG wire also results in the loop being very ridged giving the installer the opportunity to easily set-up and layout the loop and prevents the loop from falling in-between the rebar pattern. Twisted jacketed lead-in prevents ‘coil back’ from normal twisted lead-in, preventing wasted time untangling lead-in wires. The loop wire has arrows indicating the direction of current allowing easy understanding of phasing. Each loop comes with an installation kit including easy to understand instructions, cable ties for installation on top of rebar, ground stakes for under gravel roads, and stickers for easy identification after the loops have been installed.
Recommended installation tips:
Offset the loop from the rebar pattern.
Run lead-in through conduit.
Residential applications recommend a 4’ short leg of the loop.
Commercial application recommend a 6’ short leg of the loop.
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Custom Sizes with up to 1000’ lead-ins are available.
Custom orders ship same day if placed prior to 12 PM Pacific Standard Time.
CALL NOW TO ORDER: (520) 303-4444
Data from an in-depth report about the installation of pre formed inductive detector loops, written by: Turner-Fairbank Highway Research Center. The full, extensive report can be found here: Link
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