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Determine your current bulb by its shape.
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Identify Your Current Bulbs

A Series

A Series
A Series are standard, pear shaped bulbs, and are most commonly used for general household applications.

B & CA Series

B & CA Series
Typically used with chandeliers and are decoratively shaped as Candle flames (CA), or Bombs (B - oval shaped). These can also be referred to as Torpedo Tip - TT (see B-10) or Flame Tip - FT (See CA-9.5).

BR Series

BR Series
BR series, which stands for Bulged Reflector, is similar to the R shape with the addition of a bulged end.

C Series

C Series
Cone shaped bulbs, sometimes used for night lights and other small fixtures.

F Series

F Series
Also known as Fiesta or Flame bulbs, are similar to B series but have decorative additions of ridges and color.

G Series

G Series
G series are Globe shaped, and are commonly found on most bath vanity fixtures.

MR Series

MR Series
Multifaceted Reflectors, is similar to PAR series but incorporate a multifaceted-mirrored surface, which creates a higher intensity light output, often used in track and spot lighting.

P and PS Series

P and PS Series
P and PS series are shaped similar to A series, but are used in high wattage fixtures requiring over 200 watts.

PAR Series

PAR Series
PAR series which stands for Parabolic Aluminized Reflector, is similar to the R shape, but provides halogen lighting and is more efficient than R lamps. PAR bulbs are also weatherproof and can be used in more locations than R or BR lamps.

S Series

S Series
Straight sided bulbs most commonly used in signage and specialty or indicator applications (often in vehicles).

R Series

R Series
Reflector bulbs, which incorporate a mirrored coating on the back of the bulb to aim light forward, are most commonly used for floodlights, spotlights, and track or recessed lighting for directional illumination.

T Series

T Series
Tubular bulbs, often used in picture lighting, piano lamps, and other long fixtures.
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