MIL-DTL-16377J(SH)
3.14 Energy efficiency. The Navy s energy conservation program encourages vendors to design light weight
and energy efficient luminaires. The energy efficiency requirement is applicable to only applications using Type III
luminaires as replacements for Type I and II luminaires. Energy efficiency for new luminaire development will be
based on contractual requirements (see 6.2). Electrical energy usage for replacement Type III luminaires shall be
measured in watts, and shall not consume more energy than the legacy luminaire it will replace.
3.15 Predicted lifetime for drivers for Type III luminaires. The lifetime of drivers (see 6.12.1) for Type III
luminaires shall be calculated for the naval sheltered environment at 77 °F (25 °C) using the methods found in
MIL-HDBK-217. The mean time between failure (MTBF) shall be a minimum of 50,000 hours (see 6.2).
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a.
First article inspection (see 4.3).
b.
Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified (see 6.4), all inspections shall be performed in
accordance with the test conditions specified in 4.8 and the applicable specification sheets.
4.3 First article inspection. First article inspection shall consist of the examination of 4.5 and the tests of 4.8
and as specified in the applicable specification sheets.
4.3.1 Order of tests. The order of tests maybe at the option of the contractor except that for watertight and
submersible enclosures, the following tests shall be performed in the order specified:
a.
Dielectric withstanding voltage (see 4.8.2).
b.
Insulation resistance (see 4.8.3).
c.
Enclosure effectiveness (see 4.8.14).
d.
Shock (see 4.8.7).
e.
Vibration (see 4.8.8).
f.
Enclosure effectiveness (see 4.8.14).
g.
Dielectric withstanding voltage (see 4.8.2).
h.
Insulation resistance (see 4.8.3).
i.
Noise (when applicable) (see 4.8.9).
For enclosures other than watertight and submersible, the tests shall be performed in the same order, except that the
tests for dielectric withstanding voltage, insulation resistance, and effectiveness of enclosure are not required prior to
tests for shock and vibration.
4.3.2 Inspection of parts. When shock, vibration, and effectiveness of enclosure tests are specified in the
applicable specification sheets for parts (window assemblies and glassware) that are an integral part of a fixture or
light and are furnished as replacement parts, these parts shall be installed in a fixture or light for the performance of
these tests.
4.3.3 Combination of tests. Where advantageous, the contractor may combine tests in cases where the basic
body of the fixture or light to be tested is the same for different styles of the fixture or light. For example, in the
case where a red globe is substituted for a diffusing globe to obtain red illumination in the incandescent fixtures or a
clear white shielded window is substituted for a diffusing one in the fluorescent fixtures.
4.4 Conformance inspection. Conformance inspection shall consist of the following:
a.
Comparison inspection of 4.4.1.
b.
Inspection of product for delivery of 4.4.2.
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