A safety edge is a rubber strip mounted on the gate frame. When something presses against it, it sends a signal to the gate operator to stop or reverse the gate.
With a wireless setup, the edge connects to a small transmitter on the gate. A receiver at the gate operator picks up that signal and passes it to the control board.
Here’s how to choose the parts, mount them, connect them, and test the gate. Keep the edge, wireless kit, and operator manuals handy for the exact wiring and settings.
Step 1: Decide where the safety edge goes
Start by looking at where the gate could hit or trap someone as it moves.
On a slide gate:
- Front edge: Protects the closing direction, where the gate moves across the driveway.
- Rear edge: Protects the opening direction, where the back of the gate moves toward a post, fence, wall, or another obstacle.
A common setup uses a photoeye for the closing path and a safety edge at the rear for the opening path. Check the whole gate for other places someone could get trapped. The number of safety devices needed depends on the layout and the operator’s requirements.
On a swing gate:
The gate may need protection on both the inside and outside faces of its leading frame. With a channel-style edge, this can mean one edge facing in and another facing out. A three-sided wrap-around edge can cover both faces and the front of a matching gate frame.
On double swing gates, check the gap where the two gates meet. Wrap-around edges take up more space, and the two edges should not squeeze together when the gates close.

Step 2: Choose the edge and wireless kit
There are two common mounting styles:
- Channel style: A channel fastens to the gate frame, and the rubber edge slides into it.
- Wrap-around style: The edge fits around a matching round or square gate frame and mounts directly to it.
Check the edge length, frame size, and space around the gate before ordering.
The edge, wireless kit, and operator need to work together. If the edge is marked 8.2K or 10K, the transmitter must support that value. The receiver also needs to work with the operator’s monitored safety inputs. These let the operator check the safety system for faults.
A starter wireless kit usually includes one transmitter and one receiver. Some systems, such as the EMX WEL-200, need a separate transmitter for each edge. Other systems can connect more than one edge to a transmitter. Check the kit’s limits and whether those edges can protect different directions before buying extra parts.
Miller Edge is our go-to brand for safety edges. Match the edge with a compatible wireless kit from Miller Edge, EMX, or Transmitter Solutions. Some LiftMaster slide gate operators include an edge, but the wireless kit is sold separately. Maximum Controls also offers its own edges and wireless kits for its operators, sold separately.

Step 3: Mount the safety edge
Turn off power to the operator and secure the gate so it cannot move while you work.
Measure the area the edge needs to cover. Before fastening anything, check that the edge will clear nearby posts, walls, and the other gate panel throughout the gate’s travel.
- For a channel edge: Fasten the matching channel to the frame, slide the edge into it, and secure it as shown in the edge instructions.
- For a wrap-around edge: Fit it around the correct size frame and fasten it using the hardware and method listed in its instructions.
The edge should stay firmly in place while the rubber remains free to compress. It should not already be pressed in when the gate is fully open or closed.
Step 4: Connect the edge to the transmitter
Mount the transmitter on the moving gate, close to the edge. Run the edge’s wires into the transmitter and connect them to the terminals shown in the kit’s manual.
Secure the wires so they cannot rub, snag, or get pinched as the gate moves. Follow the mounting instructions for the transmitter’s position and antenna, then close the cover properly.
Using a coil cord: A compatible coil cord can carry the signal directly from the moving gate to the operator. It stretches as the gate moves away and coils back as the gate returns. It works, but the cord hangs between the gate and operator and needs room to move without catching on anything. A wireless kit avoids that hanging cord.
Step 5: Connect the receiver to the gate operator
Mount the receiver inside the operator cabinet, or where the wireless kit’s manual directs. Connect its power wires to the correct power source listed in the manual.
Next, connect the receiver’s safety output to the control board:
- An edge protecting the opening direction connects to the opening safety input.
- An edge protecting the closing direction connects to the closing safety input.
These inputs may be labeled OPEN EDGE and CLOSE EDGE, but names vary by operator. Use the monitored safety terminals shown in the operator manual.
Follow the receiver’s antenna instructions. A metal cabinet can block the signal, so antenna placement matters.
Step 6: Sync the transmitter and receiver
Follow the wireless kit’s learn or pairing steps to link the transmitter to the receiver. Set that edge for the opening or closing direction it protects.
Check the indicator lights to confirm the receiver is picking up the transmitter and the edge is ready. If you have more than one edge, pair and check each one so the front and rear signals do not get mixed up.
Step 7: Test the safety edge
Keep everyone clear of the moving gate and follow the test method in the manuals. Check the edge at several points along its length, including near both ends.
Test each edge in the direction it is meant to protect:
- Opening edge: Check that the gate stops when the edge activates during opening.
- Closing edge: Check that the gate stops and reverses when the edge activates during closing.
The exact response can vary by operator, so compare the result with its manual. Test again after changing any wiring, mounting, or settings.
Also follow the kit’s fault test for a disconnected edge or lost wireless signal, and check for battery warnings. If the operator ignores a safety fault, fix it before putting the gate back into use.
The job is finished when every edge is secure, the wires are protected, and the gate responds correctly during testing. Take the time to check each edge in the direction it protects.
Shop safety edges and wireless kits at Elite Gates. Have your gate operator’s model number handy so you can match the edge and wireless kit to your system.