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75 Watt, 120 Volt BT15 Halogen White Bulb

SKU: A36821 | Ordering Code: 75BT15/SW/SL/CD (White)

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Westinghouse brand halogen post-lamp with medium base. 75 Watts and 120 volts for more power and light.

  • Frosted glass for less glare

  • Halogen lamps provide brighter, whiter light than incandescent bulbs, while maintaining outstanding color rendering

  • Warm white color perfect for creating a more inviting atmosphere

Full Specs

Product Details



Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
Energy Used
75 Watts


A measure of "electrical pressure" between two points. The voltage specification of an incandescent lamp is the electrical "pressure" required to drive it at its designed point. The "voltage" of a ballast (e.g. 120 V) refers to the line voltage coming from the power source and is connected to the ballast.


The end (or ends) of the lamp that fits into the socket.
Medium (E26)

Bulb Shape

The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
Bulb Shape

Bulb Color

The color of the light produced by a bulb
Bulb Color

Brightness (Lumens)

A rating of the inital light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
Brightness (Lumens)

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED
Bulb Technology

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
Average Rated Life (hr)

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
Length (in)

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
Diameter (in)


Indicates whether a bulb can be dimmed in conjunction with a suitable dimmer control.
Q & A

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Is there a recommended replacement that has an identical or similar physical design and light temperature?
    Asked on 8/7/2015 by Scott from United States

    1 answer

    • Bulbs.com LS1 Certified Lighting Specialist


      Yes, this would be its closest replacement. SKU: 616072

      Answered on 9/8/2015 by Anonymous
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