For general lighting, most cans are 4" or 5" or 6". For 4" cans, you cannot choose BR40 bulbs -- they're too big. For 5" cans, a BR30 will fit with a little space to all sides while a BR40 will fit with little to no space on the sides.
What is the difference between par 30 and par 38?
Now the bad news: PAR38 and PAR30 refer to the physical characteristics of the bulbs. PAR = Parabolic Aluminized Reflector, 38 = thirty-eight eighths of an inch, or 38*1/8"=4.75". 30 = thirty eighths of an inch, or 30*1/8"=3.75". As you can see, PAR38 has a larger diameter than a PAR30 bulb or can.Dec 6, 2014
Can recessed light bulbs be replaced?
Unless you have unusually low ceilings, you will likely need a ladder to change any recessed lighting. It is not the exact same process as changing a light bulb in, say, a lamp. For that, you simply unscrew the bulb and put a new one in. You can probably do it in less than a minute.Nov 4, 2021
What size bulb goes in a 4 inch recessed light?
When choosing a bulb, you must find out the sizing of your recessed fixture can. For general household lighting, most recessed lighting cans are 4", 5", or 6". If your household has 4” cans, only BR30 bulbs will fit. For 5" cans, BR30 bulbs will fit with a little space, while a BR40 will fit with no space on the sides.Sep 24, 2021
How do I know what size light bulb I need?
The light bulb size is determined by the maximum overall diameter (MOD) of the bulb's shell. It is represented in eighths of an inch (1/8"). It's also important to keep in mind the bulb's length (or height) that is defined as the maximum overall length (MOL) expressed in inches.
What does BR30 vs BR40 mean?
The difference between a BR20, BR30, and BR40 is actually the size or diameter of the light bulb. ... For example, a BR30 is 30/8ths of an inch or 30 divided by 8 which equals 3.75″ in diameter. The same example applies to a PAR38. Divide 38/8ths of an inch or 38 divided by 8 which equals 4.75″ in diameter.
Can I swap halogen for LED?
Can I replace my incandescent or halogen bulbs with LED bulbs? Yes, in many cases, you can simply replace your bulbs separately, one by one. ... Furthermore, LEDs can handle all hues of white light, so the warm yellowish light of halogen bulbs is perfectly within reach!
Can I use LED downlights replace halogen?
If you are wondering if it's possible to switch from halogen downlights to LED downlights then the answer is yes. Fortunately, upgrading Halogen MR16 light bulbs to LED is usually an easy job, as most LED light bulbs are now designed to retrofit existing light fittings.Jun 9, 2020
Is RSC the same as R7S?
Short answer, Yes. Double Ended Recessed Contact (RSC Base) Halogen Light Bulbs comes with R7S base in 5 different sizes (lenghts) and T3 shape (tubular shape). Do not be confused, the "J" type and "T" type designation are one and the same. Hope it helps!
What is a R7S bulb?
The R7 halogen lamp is a long shaped bulb that is normally used in floor lamps, wall fittings and garden flood lights. There are two sizes available in 78mm being the smallest, and 118mm the largest. Wattages range from 100w to 500w and the average lifetime of an R7 is around 3000 hours.
Can you put LED bulbs into halogen fittings?
Common Problems With LED Downlights And Halogen Fittings Installing LEDs in halogen fittings can cause a few problems with your new lights. To get the maximum benefit from your new LED downlights, have an electrician check your circuits and fittings to ensure they are compatible with the lower-wattage LEDs.