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I HOPE THE FOLLOWING EXPLAIN WILL BE USEFUL FOR YOU
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The UL Listing Mark is the most common certification mark seen and accepted by
# p0 y8 ?; I. pcode authorities. Products bearing the UL Listing Mark are usually either complete& ~7 P0 s4 x4 p' Z/ @5 P" D
appliances, or equipment and materials that are intended for installation in accordance with* K3 C" K2 D: h/ }6 S- R: I' z( ^+ v
model codes such as the National Electrical Code® (NEC®). These products have been
: J) ~2 D0 J b- D6 B* _investigated using applicable construction and performance requirements, and when installed6 V6 o) ^" X3 m- Z
in accordance with the manufacturer’s installation instructions, should provide a safe,
/ t7 F" Z0 G/ _( B: T6 E4 kcode-compliant installation. The UL Guide Information for each product category typically5 l! V8 \( K# Y1 d% C5 F* ^
identifies the applicable installation code.Comparing UL Listing and Component
- ^$ L* m& b+ |' g$ C- fRecognition is like comparing a car and an engine. A car is a finished product, and an! m1 H8 k+ B: o' _+ {9 O% ?: V; D
engine is a necessary component. However, not every engine is compatible with every# n4 D* \% T* L& N8 h
car. The same is true for UL Recognized Components, which will not be compatible% @* b, y4 @, y; o) l: D) O
with all end-product equipment applications. UL’s Listing evaluation of an end product
, w* l) H$ z0 }" z# I" |! Kincludes an investigation of the construction and performance of all installed components. |
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