Neon Indicator Lamps

Neon indicator lamps (also called pilot lights) are lights used on some electrical equipment to indicate that electrical power is available or that the device is working. Light-emitting diodes (LEDs) are often used as an alternative. They generally have a long life, low current drain and are resistant to shock and vibration.

How do neon indicator lamps work?

Neon indicator lamps are designed with two electrodes within a small glass case. Two tin plated wires extend out of the lamp to make electrical connections to the electrodes. These lamps are filled with either a neon and argon gas mixture, with neon gas used entirely for high brightness lamps. When a voltage is applied, the gas ionizes, allowing a small current to travel from one electrode to the other. Once this has happened, a lower voltage maintains the operation of the lamp.

What are the different types of neon indicator lamps?

Neon indicator lamps are designed in different colours and with varying brightness levels. They are available in different lengths, voltages and current ratings.


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Description Price Lamp Base Lamp Size Light Colour Voltage Rating Current Rating Length Life Hours
RS stock no. 104-777
BrandRS Pro
R 17.584
Each (In a Pack of 10)
units
Lead Pins T1 1/4 Clear 100/250 V 250 μA 19.85 mm 50000h
RS stock no. 655-9407
BrandRS Pro
R 5.561
Each (In a Pack of 10)
units
Wire Terminal 4 mm Clear 100/120/220/250 V 600 μA 37 mm 20000h
RS stock no. 105-017
BrandRS Pro
R 6.292
Each (In a Pack of 10)
units
Wire Terminal T2 Clear 110/230 V 500 μA 46 mm 20000h
RS stock no. 105-039
BrandRS Pro
R 17.462
Each (In a Pack of 10)
units
BA9s T10 Clear 220/250 V 4.5 mA 28 mm 50000h
RS stock no. 655-9413
BrandRS Pro
R 5.602
Each (In a Pack of 10)
units
Wire Terminal 4 mm Clear 100/120/220/250 V 250 μA 37 mm 20000h
RS stock no. 104-755
BrandRS Pro
R 7.485
Each (In a Pack of 10)
units
BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
RS stock no. 655-9441
BrandRS Pro
R 17.368
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 30 mm 50000h
RS stock no. 655-9435
BrandRS Pro
R 16.232
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 600 μA 30 mm 50000h
RS stock no. 104-727
BrandRS Pro
R 8.117
Each (In a Pack of 10)
units
E10 T10 Red 110/125 V 2.5 mA 28 mm 50000h
RS stock no. 655-9457
BrandRS Pro
R 18.374
Each (In a Pack of 10)
units
E10 9 mm Orange 100/120 V 4.5 mA 30 mm 50000h
RS stock no. 655-9429
BrandRS Pro
R 19.648
Each (In a Pack of 10)
units
E10 9 mm Orange 220/250 V 1.8 mA 28 mm 50000h
RS stock no. 104-705
BrandRS Pro
R 28.46
Each
units
Telephone Slide T5.5 Red 220/250 V 1.5 mA 30 mm 25000h
RS stock no. 104-733
BrandRS Pro
R 8.15
Each (In a Pack of 10)
units
E10 T10 Red 220/250 V 2.5 mA 28 mm 50000h
RS stock no. 891-3796
Mfr. Part No.2110QA1
BrandVCC
R 32.49
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS stock no. 211-162
BrandRS Pro
R 16.898
Each (In a Pack of 10)
units
BA9s T3 1/4 Red 125 V - 28 mm 25000h
RS stock no. 891-4070
Mfr. Part No.2113A6
BrandVCC
R 39.076
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS stock no. 104-761
BrandRS Pro
R 17.743
Each (In a Pack of 10)
units
BA9s T10 Clear 220/250 V 2.5 mA 28 mm 50000h
RS stock no. 891-3774
Mfr. Part No.2152QA5
BrandVCC
R 47.41
Each
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS stock no. 891-4086
Mfr. Part No.2153QA5
BrandVCC
R 47.41
Each
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
RS stock no. 105-023
BrandRS Pro
R 13.932
Each (In a Pack of 10)
units
E10 T10 Red 110/200/250 V 600 μA 28 mm 50000h