Door Prep For ELR Wiring February 21, 2022 14:33 Updated Answer: Please refer to the Z dimension on the image below. Applies to: ELR Wiring Additional Information: Related articles Electrical Products Installation Instructions Electric Latch Retraction, ELR, Wiring Instructions and Specifications Electrical Product Conversion Kits MLR - Motorized Latch Retraction FAQ's Precision 2000 Series Templates & Instructions