Cost
breakdown
Tearing down a crystal chandelier: 12 BOM items and their cost share
One three-colour-temperature chandelier reduced to its smallest purchasing units: canopy, gripper, steel cable, die-cast arms, holders, driver, crystal drops, wiring, terminals, screw pack, insert, carton. With a cost range for each and the three items most likely to overrun.
Keywords: chandelier BOM · component cost share · crystal parts list
Selection
guide
Lamp holder selection: ceramic, bakelite or flame-retardant PC
Heat rating, insulation, cost and applicable wattage for the three base materials. When bakelite carbonises, when ceramic is over-specified, and where the crossover sits.
Keywords: E27 holder selection · ceramic holder · bakelite heat rating
Technical
note
LED driver matching: most flicker and lumen decay starts at the constant-current value
Working back from the LED string configuration to the driver output, covering current tolerance, headroom design, power factor and dimming protocol compatibility. Includes a matching table for common wattages.
Keywords: LED driver selection · constant current · why LED lights flicker
Standard
reading
Salt spray 48h versus 96h: setting the spec for Gulf humidity
How interior, coastal and outdoor installations differ, how plating thickness maps to salt spray hours, and how to use a test report to hold a supplier to the standard.
Keywords: salt spray standard · plating thickness · lighting hardware corrosion
Market
access
SASO and SABER for lighting components: the file list for Saudi Arabia
Which documents each category needs, who issues them, how long it takes, and the usual reasons a shipment certificate gets rejected at the border.
Keywords: SASO certificate · SABER PCoC SCoC · lighting import Saudi Arabia
Cluster
visit
Sourcing in Guzhen: three days, one supply chain
Two routes — during the lighting fair and on a normal week. What to look at, what to ask, how to compare three suppliers' real capacity in a single day, and which facts only become clear on site.
Keywords: Guzhen lighting fair · sourcing trip China · lighting components market