DSH 285/286/287(IEC 60065)扬声器端子可触及性/落地式扬声器电源开关位置/有“回”字标设备可否接地线?

2021-09-02 08:55:51

DSH 285

Subject: Live Loudspeaker Terminals


Question:

a) Are live loudspeaker terminals allowed to be accessible?

b) Is the Provision of a cover to be user-installed over the live speaker terminals after connection of speaker wiring an acceptable method of making the terminals inaccessible?

c) Is a cover installed over speaker terminals to make them inaccessible, allowed to be removable by hand?

Decision:

a) No.

Live loudspeaker terminals shall not be accessible.

b) Yes.

Provision of a cover to be user-installed over the live speaker terminals after connection of speaker wiring is an acceptable method of making the terminals inaccessible.

In addition there shall be the appropriate information in the users manual

c) No.

If a cover is installed over speaker terminals to make them inaccessible, it shall not be removable by hand.


问题:

a)是否允许接触带电的扬声器端子?

b)是否接受在扬声器端子连接完毕后再由用户安装盖子来避免接触端子的方法?

c)用于避免接触扬声器端子的盖子,是否允许徒手拆卸?

决定:

a)不行,带电的扬声器端子不应被接触。

b)可以,在扬声器端子上安装盖子避免接触是一种可行的方法。同时在用户手册中应有相关说明信息。

c)不行,避免接触扬声器端子的盖子不应被徒手拆卸。


************************************


DSH 286

Subject: Mains Switch Location


Question:

Is it allowed to have the mains switch on the rear of a floor standing powered speaker?

Decision:

Yes.

The mains switch may be on the rear of a floor standing powered speaker.

Rationale: The user may walk behind the speaker to access the rear panel.


问题:

是否接受落地式扬声器的电源开关位于其后背部?

决定:

可以。用户可以走到扬声器背面去接近后面板。


************************************


DSH 287

Subject: Mains Cords for Double Insulated Apparatus


Question:

May Double Insulated Apparatus marked with the double square symbol be provided with a mains cord or inlet connector incorporating an Earthing Conductor?

Decision:

No.

Double Insulated Apparatus marked with the double square symbol shall not be provide with a mains cord or inlet connector incorporating an Earthing Conductor.


问题:

带有“回”字标的双重绝缘设备是否能够含有接地线的连接器或电源线?

决定:

不行。带有“回”字标的双重绝缘设备不应含有接地线的连接器或电源线

点击下方名片,关注“朱大侠的质检江湖”微信公众号,一起来研究安规吧~