GB/T 17466.21-2008 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 21:Particular requirements for boxes and enclosures with provision for suspension means

GB/T 17466.1-2008 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 1:General requirements GB/T 17466.22-2008 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 22:Particular requirements for connecting boxes and enclosures GB/T 17466.23-2008 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 23:Particular requirements for floor boxe and enclosures GB/T 17466.24-2008 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 24:Particular requirements for enclosures for housing protective devices and similar power consuming devices

GB/T 17466.21-2022 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 21:Particular requirements for boxes and enclosures with provision for suspension means

GB/T 2423.55-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test Eh:Hammer tests GB/T 4207-2003 Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 5169.10-2006 Fire hazard testing for electric and electronic products—Part 10:Glow/hot-wire based test methods—Glow-wire apparatus and common test procedure GB/T 5169.11-2006 Fire hazard testing for electric and electronic products—Part 11:Glowing/hot-wire based test methods—Glow-wire flammability test method for end-products GB/T 5169.21-2006 Fire hazard testing for electric and electronic products—Part 21:Abnormal heat—Ball pressure test GB/T 17045-2006 Protection against electric shock—Common aspects for installation and equipment GB/T 17193-1997 Extra-heavy duty rigid steel conduits for electrical installations GB/T 17194-1997 Conduits for electrical purposes—Outside diameters of conduits for electrical installations and threads of conduits and fittings GB/T 16842-1997 Test probes to verify protection by enclosures GB/T 19215.1-2003 Cable trunking and ducting systems for electrical installations—Part 1:General requirements GB/T 19215.2-2003 Cable trunking and ducting systems for electrical installations—Part 2:Particular requirements—Section 1:Cable trunking and ducting systems intended for mounting on walls or ceilings GB/T 19215.3-2012 Cable trunking and ducting systems for electrical installations—Part 2:Particular requirements—Section 2:Cable trunking systems and cable ducting systems intended for underfloor and flushfloor installations GB/T 19215.4-2017 Cable trunking and ducting systems for electrical installations—Part 2:Particular requirements—Section 4:Service poles GB/T 19215.5-2023 Cable trunking systems and cable ducting systems for electrical installations—Part 2:Particular requirements—Section 3:Slotted cable trunking systems intended for installation in cabinets

IEC 60670-21:2004