DSH 712 Abnormal operation

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广东安规检测
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小型摆管淋雨试验机

IPX5X6X7喷水试验机

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E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 712 8 b) m6 l; }6 u2 M2 F" w" F& T: i; R 7 _: `, P" W- D

Abnormal operation

19.5 + w8 T* V9 \( k, Z' j. c0 W

60335-1(ed.4) # S/ G& v$ p: ~3 N+ X

Question:
) x( e0 I: `) R  f( q! [Should the heating element shown in the photograph, which is commonly used for the defrosting heating element in refrigerators, be considered as a "tubular sheathed or embedded heating element?" Is the test of sub-clause 19.5 applicable?
8 a/ a, a* ]1 o, I3 sDecision:
4 L( u% X0 T1 ~Heating elements insulated by PVC, or other similar cable insulation are not tested in accordance with clause 19.5, which refers to a special insulation that may be affected by humidity conditions.

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