UL588 – Seasonal and Holiday
Decorative Products
季节性和节日装饰性产品
2 Oct. 2010
Contents （内容）:
¾
Scope （范围）
¾ Definition （定义）
¾ Construction requirements (结构要求）
¾ Performance （测试要求）
¾ Marking and instruction （标签和说明书
要求）
Scope
Temporary-use or seasonal use (Within 90 days) (临时性或季节性
使用)（在90天内）
Rated input voltage less than 120V （电压不超过120V)
Christmas tree less than 30 inches in height (圣诞树高度不超过
30inch)
Decorative, not intend for general illumination (装饰，不是照明为目的
）
Definition
Lighting String
Lighting Harness
Light Sculpture
Ornament
Decorative Outfit
Lighting String
A luminaire with a string of lamps
Draped over or around an object
to provide decorative effect
Lighting Harness
Equipped with E12, E17 or E26 lampholder only(只是带有E12,E17或E26的灯
座）
Employed in a decorative outfit
（用在decorative outfit中的）
With 1-6 lampholders （带有1-6个灯座）
Parallel-connected （并联连接的）
Light Sculpture
With a frame （有一个框架）
Lampholder and lamp are
attached on the frame （灯座和灯
泡都在框架上）
Provide the outline illumination
of the figure or object created by
the frame （提供一个造型）
Ornament
Provided with a lampholder
adaptor
Intend to take the place of a
push-in lamp in a series-connected
lighting string.
Decorative Outfit
Providing a seasonal theme such as a wreath, star
Electrically-powered unit
Factory assembled
Construction （结构）
¾ Wire & Overcurrent protection （电线和过流保护）
¾ Material （材料要求）
¾ Mechanical Assembly （机械安装）
¾ Enclosure （外壳要求）
¾ Enclosure Openings （外壳开孔要求）
¾ Accessibility of Live Parts （防触电要求）
¾ Supply Connection （电源连接）
¾ Terminals and Conductive Parts (载流件）
¾ Spacings （爬电距离和电气间隙要求）
¾ Switches （开关）
Construction – Continued
¾ Lampholders （灯座要求）
¾ Lamping （灯泡要求）
¾ Outdoor-use Products （户外用产品)
¾Series-connected strings (串联灯串）
¾Parallel-connected Strings (并联灯串）
¾Decorative lighting harnesses（装饰灯组件）
¾ Outfits
Construction – Wire & Overcurrent protection
Construction – Wire & Overcurrent Protection (Continued)
Parallel-connected string with polarizec
line fitting and without a load fitting (并联
极性插不带尾插）
Parallel-connected string with polarizec
line fitting and with a load fitting (并联极
性插带尾插）
Construction – Wire & Overcurrent Protection (Continued)
Construction – Wire & Overcurrent Protection (Continued)
Conditions that fuse is not required (下列情况不需要保险）:
‹
‹
‹
Ornament
Class 2 Circuit
Motorized products without load fitting, with 16AWG wire
Location of the fuse （保险的位置）:
‹
Integral with plug （和插头一起）:
Polarized: Line blade （极性插，一个保险，放在L极）
Non-polarized: Both blades （非极性插，两个保险，L和N各一）
‹ Number of the fuse:
If the fuse is replaceable, Provided at least one spare fuse (如果保险可更换，提供至少一个备用保险）
Exception: A decorative outfit without a load fitting and did not employ series-connected string
or parallel-connected string need not to provided spare fuse (对于不带尾插，没有串联或并联的灯串的
decorative outfit，不需要提供备用保险）
‹
In-line:
Less than 152mm from the face of the plug
Construction – Material
A shade, diffuser, or decorative part employed in a seasonal lighting product shall be constructed
of a material with a maximum vertical downward burning rate of 4 inches (102 mm) per minute as
determinedby the Downward Burning Rate Test. （装饰件需做垂直向下燃烧测试）
Loose decorative parts shall be of insulating material as determined by compliance with the
Conductivity of Decorative Parts Test, if they locates within 51mm of a lampholder or a lighting
string is attached on them （松散的小装饰件如果距离灯座51mm内或有灯串在上面的，必须是绝
缘材料，通过装饰材料导电性测试来验证）.
Hard fiber not for sole support of live parts （硬纤维不能支撑带电体）.
Edge, point or burrs of bare live parts can not contact the insulation of conductor of opposite
polarity （尖锐的带电件不能接触到相反极性的导线的绝缘皮）.
Construction – Mechanical Assembly
All parts that can’t be touched shall locate in enclosure （所有不能触摸的部件应该被
外壳包起来）.
All parts shall be reliably secured in place （所有部件应该可靠的固定）.
Screw for fixing enclosure shall be non-ordinary type （固定外壳的螺丝不能用普通
工具打开）.
Electrical component shall be mounted from turning （所有的电器部件应防止转动）.
Construction – Enclosure
Assembled （安装好的）
Rigid （有一定的强度）
To avoid the risk of fire, shock and mechanical injury （防火，防电
击和机械伤害）.
Enclosure:
Metallic （金属）
Polymeric （塑料）
Construction – Enclosure (Continue)
Metallic:
Uncoated steel with min. thickness 0.81mm （
材料钢，除镀层后至少0.81mm);
Corrosion-resistant coated (要防锈）.
Construction – Enclosure (Continue)
Polymeric:
Parts
Flammability
rating
HWI
HAI
The enclosure for with
max. available power 15W
V-1
3
3
V-0
--
--
For outdoor:
UV rated (需要防UV）
Cold impact test （需要过冷冲击测试）
Construction – Enclosure Opening
No opening is permitted on the enclosure, except:
For passage of wiring/power cord/rotating shaft
For ventilation (通风孔）:
Major dimension < 3.8mm（直径小于3.8mm)
Not locate in horizontal surface(不能位于水平面）
Complied with the structure below:
Construction – Accessibility of Live Parts
Parts can’t not be touched – Circuit other than class 2 （测试指不能碰到带
电体）.
Test force: 4.4 N
Construction – Supply Connection
Supply connection means:
z
Plug/ Current Tap （通过插头连到电源上，如灯串）
）
z Plug/ Current Tap with a length of flexible cord （通
过插头和电源线连到电源上）
z Integral blade assembly （插片和产品是一体的）
z
z
Power inlet （输入插座）
For ornament: lampholder adapter/ leads+adaptor
Construction – Supply Connection (Continued)
¾
¾
¾
No splice on the wiring between fittings.
Current capacity （不同线径允许通过的电流）
The length of a detachable power-supply cord provided with a
product shall not be less than 8inches (203 mm). (可拆卸电源线长
度至少8”)
¾ No position devices on non-enclosed flexible cord, wires
¾ Decorative outfit accessories: Length from the face of the cord
connector to the face of the attached plug less than 18 inches.
Construction – Supply Connection (Continued)
Wire rated VW-1
Cord for outfit with E26 lampholder: Min. 20AWG
Wire type:
Connection type
Cord & Size (AWG)
Parallel-connected XTW 20AWG/ SPT-1(W), SPT-2(W) 18AWG
Series-connected
Twisted CXTW 22AWG/XTW 22AWG 105˚C
CXTW needn’t be twisted when:
1) Wire or lampholder is secured to a rigid frame
2) Net lighting string with min. 18AWG
3) 105˚C wire twisted with polymeric supporting rope
4) With integral structure.
Construction – Supply Connection (Continued)
Detached power cord: SPT-2 or equivalent
Power cord of motorized product: SPT-2 or better
Power cord equivalent or better than string wire
With receptacle: 18AWG, SP-2 or SPT-2 or better
Wire/cord in Class 2 circuit with power less than 50W:
Min. 24AWG, insulation min. 0.4mm thick
Construction – Supply Connection (Continued)
Connection device shall be non-grounding type
A seasonal product employs not more than 3 load fittings
Current tap shall be rated 15A
Fuse:
Plug, inlet, load fittings
Wire gauge
(AWG)
Fuse rating (A)
16
Min. 10
18 or 20
Min. 5
22
Min. 3
Construction – Supply Connection (Continued)
Plug/Inlet/Current tap shall be polarized for
parallel-connected products and lighting harness
Non-polarized: input current less than 0.6A
Polarized configuration: min. 20AWG
Terminals and Conductive Parts
•
Terminals and conductive parts shall not be
constructed of copper plated steel. (端子和载流
件不能采用铜镀钢）
•
Current-carrying parts material: silver, copper,
copper alloy, or equivalent, LED lamp leads shall
not be plated steel. （LED 的引脚不用镀钢）
Construction – Spacing
For ornament: 0.8mm
For push-in, E5, E10 or non-replaceable lampholder:
0.8m
Construction – Switch
¾ Polarized: Single-pole （开关用在极性插头中，可单极断开，断开L）
¾ Non-polarized: Double-pole （开关用在非极性插头中，要使用双极断开
。即L和N都要断开）
Construction – Lampholder
E5, E10 and push-in lampholder only use （E5，E10及推入式灯座仅
用于下面两种情况）:
1) Series-connected
2) In Class 2 circuit
E12 and E17: Parallel-connected （E12或E17灯座仅能用于并联连接
E26: Outfits with parallel-connected lampholders （E26灯座只能用于
并联的Outfit中。）
Construction – Lamping
Number of lamps shall not be less than lampholder
(Except E26 lamp) （灯泡的数量不能少于灯座的数量）
With push-in, E5 or E10 lamp: Min. 2 spare lamps for
each type （用E5, E10,推入式灯泡，至少提供每种泡型
两个备泡）
Steady illuminating push-in type without shunt: Min. 4
spare lamps （没有保险丝的推入式灯泡至少4个备泡）
Exception:
One for product with only one lampholder
Two spare lamps for LED lamps
Construction – outdoor-use products
Rain Test
Water Immersion Test
Standing Water Immersion Test （for controller, splice
compartment, direct plug-in unit, or similar component)
•
Provided with both lampholders and a decorative part, the
decorative part shall be provided with a minimum 1/4 inch (6.4 mm)
diameter drain hole to reduce the likelihood of accumulated water
reaching the lampholder （灯座上有装饰灯罩，为避免在灯罩内积水
，需要在灯罩上开有至少6.4mm的漏水孔）.
•
consisting of individual decorative covers provided over a maximum
of 2 lamps of a series-connected lighting string, need not be
provided with drainholes
Series-connected Strings
•
minimum of 8 miniature-base lamps or 10 push-in
or midget-base lamps, and the type, voltage,
current rating shall be same except LED lamp(至少
8个E10或10个E5或10个推入式灯泡, 规格和电气参
数要一样，LED灯泡除外）
•
The maximum current: 0.6A（最大电流不超过0.6A)
Series-connected Strings (Continued)
‹ individual-flashing lamps that operate by means of a selfcontained thermostatically-operated shunting device :
„
18 push-in lampholders in series with 2 midget-screw
lampholders (18个推入式灯座串两个2个E5灯座）
„
18 midget-screw lampholders in series with 2 miniaturescrew lampholders （18个E5灯座串2个E10灯座）.
„
35 lamps connected in series with a minimum of half of
the lamps in the lighting string being steady-illuminating
and one of （35个灯串联至少一半是常亮灯泡且满足）:
9
9
lamps in the string are not replaceable （灯泡不能更换）,
individual-flashing lamps cannot fit into the lampholder for
steady-illuminating lamps （或闪泡不能插入到常亮灯泡的
灯座中）.
Parallel-connected Strings(并联灯串）
•
only intermediate- （E17）or candelabra-screw （E12）
lampholders (仅E17或E12 lampholder)
•
at least 7 lampholders but not more than the number
indicated below table (至少7个，但不超过下表）
•
•
Lampholder: should be switchless （灯座不能带开关）
Lamp wattage: Max.7W （单个灯泡最大功率7W
Lighting Harnesses
•
•
•
maximum of 6 lampholders （最多6个灯座）
not exceed 1.75 A （不超过1.75A)
wire shall be terminate in a lampholder or an
enclosure (接线端子应在灯座内或外壳内）
Construction – Outfits
Product
Wire size
Max. current draw
Parallel-connected
20 AWG or larger
1.75 A
22 AWG or larger
0.6 A
16 AWG
8A
Series-connected
(Non-polarized)
Motorized tree stand
Construction – Outfits (Continued)
Outfits with E26 base:
•
Lamp can’t contact the parts not of the product
Max. external temperature: 90˚C （表面温度不超过90 ˚C )
Marked max. lamp wattage
No load fitting (不能有尾插）
Six lampholders max., 1.75A max. during input test （最多六个
灯座，最大电流1.75A)
Construction – Outfits (Continued)
Outfits with switched lampholder :
E12 or larger (至少E12)
Indoor use (仅室内使用）
Performance
Leakage Current Test（泄漏电流测试）
Leakage Current Following Humidity Conditioning （潮
态后泄漏电流测试）
Input Test（输入测试）
Temperature Test （温升测试）
Dielectric Voltage-Withstand Test （耐压测试）
Strain Relief Test （线扣拉力测试）
Wire Push-Back Relief Test （电线推力测试）
Performance (continued)
Downward Burning Rate Test 垂直向下燃烧测试
Conductivity of Decorative Parts Test （装饰件导电性测试）
Rain Test （淋雨测试）
Standing Water Immersion Test （浸水测试）
Performance on polymeric enclosure (对于塑料外壳的测试）
•
Enclosure Mold Stress Relief Test （应力变形测试）
•
Drop Test （落地测试）
•
Impact Test （冲击测试）
•
Cold Impact Test （冷冲击测试，在-35度环境下）
•
Resistance to Crushing Test （抗压测试）
Marking and instruction
Marking and
instruction