GB 4706.68-2003 Safety of household and similar electrical appliances--Particular requirements for drives for vertically moving garage doors for residential use
This chapter of GB 4706.1-1998 is replaced by the following content: This part of GB 4706 concerns the safety of electric drives for residential vertically opening and closing garage doors. Its rated voltage does not exceed 250V for single-phase appliances and 480V for other appliances. This section also contains additional hazards associated with the movement of electric garage doors. In practical terms, this section deals with common hazards arising from appliances that are encountered by all persons in and around the dwelling. This section generally does not consider the situation of young children playing with appliances, but considers that children may approach the garage door.
GB 4706.68-2003 history
2008GB 4706.68-2008 Household and similar electric appliances.Safety.Partticular requirements for drives for vertically moving garage doors for residential use
2003GB 4706.68-2003 Safety of household and similar electrical appliances--Particular requirements for drives for vertically moving garage doors for residential use