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Fluorescent Light Tube Energy Conservation Label Energy Efficiency Standards and Marking Methods (revised on December 22, 2017 and became effective upon announcement)
The revised Fluorescent Light Tube Energy Conservation Label Energy Efficiency Standards and Marking Methods
Neng-Ji-Zi No. 10605020830
Revision announced on December 22, 2017 and became effective upon announcement

I. The applicable scope, energy efficiency testing conditions and methods and energy efficiency standards for the Fluorescent Light Tube Energy Conservation Label verification application should conform to the following regulations:
(1) Applicable scope: fluorescent light tube that conforms to National Standards of the Republic of China (CNS): CNS 691 and that has been listed by BSMI as a test item.
(2) Energy efficiency test conditions and methods should conform to CNS 691 and be tested with test ballasts that conform to CNS 691. Tubes that cannot be tested with test ballasts that conform to this regulation can be tested with electric ballasts conform to the CNS 13755 verification registry. The test report should note the brand, type and model number of the ballast used.
(3) Energy efficiency standards:
1. The general color rendering index measured value is above 80.0 after calculating to the first decimal point and the second decimal point is rounded off.
2. The power measured value (W) is calculated to the first decimal point. The second decimal point is rounded off. The value’s allowable scope is as follows: within the indicated value ± (marked value ×0.05+0.5).
3. The full lumen measured value (lm) is calculated to the first decimal point and the second decimal point is rounded off.
4. The luminous efficacy measured value is the ratio of the full lumen measured value (lm) to the power measured value (W). This value should be equal to or greater than the luminous efficacy standard (as in the attached table) after it is calculated to the first decimal point with the second decimal point rounded up, and must be higher than 95% of the product’s marked value.
II. Fluorescent Light Tube Energy Conservation Label energy efficiency label should be based on the following rules:
(1) Light source color, luminous efficacy, power and the name and address of the label user should be clearly marked on the product or the package.
(2) The product catalogue should indicate the product’s light source color, power and luminous efficacy.

Attached table - Fluorescent Light Tube Energy Conservation Label energy efficiency standards

Fluorescent light tube size Light source color/luminous efficacy(lm/W)
Daylight(D)Cold white(CW)
Natural (N)
White =(W)
Warm white(WW)
Light bulb color (L)
Longer than 95 cm95.099.0101.0
Longer than 65,
shorter than 95 cm
90.092.095.0
Shorter than 65 cm88.090.092.0


The table’s light source color is defined as follows:
(1) Daylight (D): 5,700K ~ 7,100K.
(2) Cold white (CW) and natural (N): 4,600K ~ 5,400K.
(3) White (W): 3,900K ~ 4,500K.
(4) Warm white (WW): 3,200K ~ 3,700K.
(5)Light bulb color (L): 2,600K ~ 3,150K.

Lately update:2020/06/16 14:27:00