Chart of the Relation Between Home Electrical Symptoms and Their Causes

S Y M P T O M
CAUSE: Does not work Goes off and on at will or flickers Runs dim or bright sometimes Won’t go off Shocks
Short/ Ground-fault/ Overload Yes -- -- -- --
Circuit or main wire connection open Yes Yes partially Yes -- --
Ground-fault with no ground -- -- -- -- Yes
Miswiring Yes -- -- Yes Yes
Mis-set or bad device Yes Yes -- Yes --

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