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I HOPE THE FOLLOWING EXPLAIN WILL BE USEFUL FOR YOU
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9 G" }) M: R) r% T4 sThe UL Listing Mark is the most common certification mark seen and accepted by
: U& U7 x8 `6 Tcode authorities. Products bearing the UL Listing Mark are usually either complete
! W: S! L$ T0 f; h$ ]0 U/ {appliances, or equipment and materials that are intended for installation in accordance with
; p0 I1 Z+ O( D9 B1 q9 {model codes such as the National Electrical Code® (NEC®). These products have been1 o h- T. R+ ~# t: I( s
investigated using applicable construction and performance requirements, and when installed N9 G4 U, [8 ~2 F
in accordance with the manufacturer’s installation instructions, should provide a safe,
1 i. w: v' Z v- D( _code-compliant installation. The UL Guide Information for each product category typically
1 K' _. T" |# U5 M8 D3 [* `9 m k4 [identifies the applicable installation code.Comparing UL Listing and Component
0 q7 K, @' ^$ {% ?Recognition is like comparing a car and an engine. A car is a finished product, and an
: V! q7 W- r7 V9 r9 s0 s% `engine is a necessary component. However, not every engine is compatible with every3 s& t7 _) Z! T6 @2 _; h$ l
car. The same is true for UL Recognized Components, which will not be compatible9 M: z/ ~( y- L8 ?+ o7 t o
with all end-product equipment applications. UL’s Listing evaluation of an end product; B' C* _7 c' G8 [6 u) l8 u! Q% H
includes an investigation of the construction and performance of all installed components. |
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