Identify Your Current Bulbs
A Series are standard, pear shaped bulbs, and are most commonly used for general household applications.
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, which stands for Bulged Reflector, is similar to the R shape with the addition of a bulged end.
Cone shaped bulbs, sometimes used for night lights and other small fixtures.
Also known as Fiesta or Flame bulbs, are similar to B series but have decorative additions of ridges and color.
G series are Globe shaped, and are commonly found on most bath vanity fixtures.
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 are shaped similar to A series, but are used in high wattage fixtures requiring over 200 watts.
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.
Straight sided bulbs most commonly used in signage and specialty or indicator applications (often in vehicles).
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.
Tubular bulbs, often used in picture lighting, piano lamps, and other long fixtures.