Steps

Evaluate the opening: photo-eyes (non-contact, through-beam) suit applications needing early detection before contact, while sensing edges (contact-based, mounted on the door's leading/bottom edge) suit applications where a through-beam path is impractical or easily defeated.
Confirm the selected device is UL 325-listed as compatible with the specific operator model, not just generically compatible.
Verify the device is wired (or, for wireless edges, paired) so the operator can monitor it — under UL 325, an unmonitored device forces the operator into constant-pressure-to-close operation only.
Test that a simulated device failure (disconnected wire, low battery/lost signal on a wireless edge) causes the operator to fail safe rather than operate normally.
Document which device type was installed and its monitored status in the commissioning/inspection record.

Known gotchas

Photo-eyes are line-of-sight dependent — misalignment, dirt, or an object breaking the beam only at certain heights can create false negatives that go unnoticed without periodic testing.
Wireless sensing edges introduce battery and RF-signal monitoring as additional failure modes beyond the mechanical edge itself — confirm the operator actually monitors signal/battery health, not just edge contact.
A device being 'monitored' in the loose sense (wired at all) is not the same as UL 325's monitored-device requirement, which requires the operator to detect and respond to the device's failure.

operator-safety-compliance · 5 steps · unrated

Choose between a security grille and a solid rolling door for a mixed-occupancy retail storefront opening.

Determine whether glazing in and adjacent to a commercial entrance door requires safety glazing under the IBC, and confirm the identification mark it must bear.

codes.iccsafe.org · 5 steps · unrated

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Choose between photo-eye and sensing-edge entrapment protection for a commercial door and confirm the wiring is properly monitored.

Steps

Known gotchas

Related routes

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