BD Loop EL 36-100 Preformed Direct Burial Loop CST-OPERATOR Rack and pinion not included

Rack and pinion not included

The DoorKing 1837 80 Series Telephone Entry System represents the premium solution for large multi-tenant applications requiring comprehensive access control across multiple entry points

Primary/Secondary Connection

LED lighting illuminates keypad

4' x 6' loop

BD Loop EL 36-100 Preformed Direct Burial Loop CST-OPERATOR Rack and pinion not includedBD Loop EL 36 100 Preformed Direct Burial Loop 6' x 12' loop 100' lead 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 detection caused by