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2. Appliance classes - Wikipedia

   en.wikipedia.org/wiki/Appliance_classes

   In Europe, a double insulated appliance must be labelled Class II or double insulated or bear the double insulation symbol: ⧈ (a square inside another square). As such, the appliance should not be connected to an earth conductor because the high-impedance casing will cause only low-fault currents that are unable to trigger the fusible cut-out.

3. File:Double insulation symbol.svg - Wikipedia

   en.wikipedia.org/wiki/File:Double_insulation...

   Printable version; Page information; Get shortened URL; Download QR code; In other projects Appearance. move to sidebar hide ... Double Insulation Symbol: Width: 150 ...

4. Two-in, two-out - Wikipedia

   en.wikipedia.org/wiki/Two-in,_two-out

   In firefighting, the policy of two-in, two-out refers to United States Occupational Safety and Health Administration (OSHA) policy 29 CFR 1910.134(g)(4)(i). [1] The respiratory protection standard requires that workers engaged in fighting interior structural fires work in a buddy system; at least two workers must enter the building together, so that they can monitor each other's whereabouts as ...

5. GHS hazard pictograms - Wikipedia

   en.wikipedia.org/wiki/GHS_hazard_pictograms

   Division 1.1: Substances and articles which have a mass explosion hazard Division 1.2 : Substances and articles which have a projection hazard but not a mass explosion hazard Division 1.3 : Substances and articles which have a fire hazard and either a minor blast hazard or a minor projection hazard or both, but not a mass explosion hazard

6. Workplace safety standards - Wikipedia

   en.wikipedia.org/wiki/Workplace_Safety_Standards

   In the United States the first Federal Safety Standards for cars become effective 1 January 1968. These new standards help protect drivers against unreasonable risk of crashes occurring as a result of the design, construction or performance of motor vehicles. [ 5 ]

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!