What is a type PL bulb?
PL lamps are plug-in fluorescent lamps and became widely known since Philips marketed its PL series non-integrated compact fluorescent lamps including PL-L, PL-C, PL-T, PL-S, PL-R, and PL-Q. They often appear in other variations: PLL, PLC, PLT, PLS, PLR, PLH and PLQ. PL-L stands for plug-in lamps in long version.
What is a PL light fitting?
LED PL Lamp The LED PL features a 2/4 pin (universal) fitting and is a retrofit ready lamp, allowing you to plug into an existing fitting. It is a suitable LED PL Lamp replacement to compact fluorescent lamps (CFL) traditionally found in commercial, amenity and washroom environments.
What are the three types of fluorescent lamp?
3 Types of Fluorescent Light Bulbs
- T12 bulbs are the oldest type still in use in some fluorescent fixtures.
- T8 bulbs are more expensive than T12 bulbs but will start much faster.
- T5 bulbs are a smaller version of their big brothers.
What are the two classification of fluorescent lamp?
The most common lamp type is the four-foot (F40), 1.5″ diameter (also called T12) straight fluorescent lamp. More efficient fluorescent lamps are now available in smaller diameters, including the 1.25 ” (also called T10) and 1″ (also called T8).
Is it worth switching from CFL to LED?
So, is it worth switching from CFL to LED? If your CFL bulbs are working, it’s usually not worth replacing them with LEDs immediately – LEDs are more efficient, but the savings aren’t huge. Only replace them now if your CFLs aren’t suited to the fitting or are damaging fabrics. Otherwise, wait until they’re burned out.
Can I replace a 4-pin CFL with LED?
If the existing CFL ballast is compatible, these LED lamps offer a simple direct replacement into the original socket. No wiring is required. The existing ballast will operate the new LED lamp. The rated life of LED 4-pin replacement lamps ranges from 35,000 to 50,000 hours.
What are the different types of fluorescent tubes?
While there are multiple types of LED and fluorescent tube lights, the three most common are T12, T8 and T5. The terminology comes from “T” for “tubular” and the diameter of the bulb in eighths of an inch, so “T8” represents a tube of 8/8ths of an inch, or 1 inch.