Technical articles

LED strip lead time in a construction schedule: two releases, channels and boxes before the board, strip after the mud, each counted back from its window.

Low voltage cable through a fire rated wall: why caulk fails, how to name the penetration, read a listed firestop system, install it as tested, label it.

Aluminum LED channel grounding and bonding: why a Class 2 strip channel has no ground to join, when 120V strip changes the answer, what to tell the inspector.

LED strip emergency lighting needs a UL 924 device in its power path: a load control relay, a battery emergency driver or a listed inverter. Which, and when.

Occupancy sensor and LED strip driver wiring: when the sensor dims a powered 0-10V driver and when it switches the line, by code sequence and relay inrush.

Tunable white LED strip for schools and healthcare: who sets the schedule, three ways to wire the two channels, the CCT range, and drivers sized per channel.

Ballroom cove lighting on RGBW LED strip: a true white channel, zones and DMX decoders for a 240 ft cove, and the rule that settles panel versus console.

Floor recessed LED strip in a walk-over channel: why the IK impact rating and the load figure come before IP68, the ADA flush and gap rules, which strip fits.

Acoustic baffle LED lighting integration: a channel in air on the baffle edge, what the felt's ASTM E84 Class A covers, plenum wiring, access, strip, driver.

Replacing fluorescent cove lighting with LED strip, floor by floor: tubes vs strip, keep the 120V circuit or add drivers, match T8 output, dimming, lots.

LED strip in a commercial kitchen, zone by zone: Food Code light levels, the shatter rule, heat near the line, grease film, IP65 to IP68 for washdown, walk-ins.

Reception desk LED strip lighting for hotels, clinics and offices: four strip positions, the ADA 36 in counter section, screen reflections, where drivers go.