
permanent earth ground, such as a properly grounded receptacle box.
!CAUTION
In all cases, make certain the receptacle is properly grounded. If you are not sure, have a qualified electrician check the receptacle.
Fig. 1 | |||
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| Grounding Prong | |
| Properly Grounded | ||
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Fig. 2 Grounding Lug |
| Make sure this is | |
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| connected to a |
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| known ground. |
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| Adapter | Receptacle | |
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