Difference
between TR and old style receptacles
Tamper-Resistant (TR) receptacles
contain a built-in shutter system that allows plugs to be inserted ONLY when
equal pressure is applied simultaneously to both sides of the receptacle. TR
receptacles reduce the risk of electrical injuries, but are not completely
tamper-proof. Many people believe that TR receptacles are child-proof, which
they aren’t, but they are intended to increase safety for children, much safer
than old style receptacles.
Old style
receptacles don't contain this built-in shutter system, therefore the risk of anyone
(especially a child) to get electrocuted is much higher. Some parents that have
old style receptacle usually purchase plastic outlet plugs to cover the slots
on the receptacles so children won’t insert anything into the slots. These
plugs can be a chocking hazard to children if they are able to remove them, or
if people forget to reinsert them after using the receptacle.
Locations
& Requirements
All
125volt, 15 or 20amp receptacles are required to be listed as tamper-resistant receptacles
in all areas (commercial and residential) where children will be present. Typically,
commercial spaces and office buildings do not require TR receptacles. All new
outlets installed in old or new construction must also be TR receptacles.
Combination
Tamper & Water Resistant (TR & WR) receptacles ensure safety and
weather resistance in wet and damp outdoor locations. TR & WR receptacle
requirements may vary by location/city.
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