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I HOPE THE FOLLOWING EXPLAIN WILL BE USEFUL FOR YOU8 i) X" N4 K3 g
4 n" A2 L2 |' \5 |7 Z# \9 m% c+ PThe UL Listing Mark is the most common certification mark seen and accepted by
) D$ A) e1 C' f) a! }9 Vcode authorities. Products bearing the UL Listing Mark are usually either complete' m0 j3 U [5 P% g2 K4 t( P; p
appliances, or equipment and materials that are intended for installation in accordance with
8 b5 s4 b4 Q/ m5 O% ymodel codes such as the National Electrical Code® (NEC®). These products have been6 I" A& w1 O9 p3 R! v5 y% E- `: ]( b
investigated using applicable construction and performance requirements, and when installed
1 w4 A3 L" P+ B2 Bin accordance with the manufacturer’s installation instructions, should provide a safe,
' c" I7 a9 @! n0 l. q' |code-compliant installation. The UL Guide Information for each product category typically- d7 S+ U7 I" C9 K! l0 _2 V
identifies the applicable installation code.Comparing UL Listing and Component* T0 a3 z8 \ f
Recognition is like comparing a car and an engine. A car is a finished product, and an6 s" D; ?3 ?5 t7 u4 ~7 y
engine is a necessary component. However, not every engine is compatible with every4 Z, m. x* y' b
car. The same is true for UL Recognized Components, which will not be compatible
% i: b, R7 m! k, f( s& [with all end-product equipment applications. UL’s Listing evaluation of an end product4 r8 u/ X. Q3 m* o; y' l$ p+ B
includes an investigation of the construction and performance of all installed components. |
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