switching from isolated ground receptacle

Thanks for your answers. The outlet was installed in the early 90's and I wanted to be sure it was safe to switch to a grounded receptacle. I will have an electrician review.

Viiu,

No problem at all with changing out the recept.

If you are going to install a 20 amp recept I should point out that technically, per NEC code, a 20 amp recept cannot be installed on a 15 amp branch circuit....
If that is your intent the electrician may make you aware of the fact. Just change the 20 amp recept to a 15 amp in the event you sell and move from the house.

They need to revise or clarify article 210 in the NEC in my opinion.

They need to revise or clarify article 210 in the NEC in my opinion.
12-06-09: Hifitime

Hifitime,
which section?
Article 210 of NEC 2008 has many new changes....

Just one example, NEC pretty much made miltiwire branch circuits a thing of the past.

210.4 (B) Disconnecting Means. Each multiwire branch circuit shall be provided with a means that will simultaneously disconnect all ungrounded conductors at the point where the branch circuit originates.

No changes regarding Table 210.21(B)(3) Receptacle Ratings for Various Size Circuits.
or
Table 210.21(B)(2) Maximum Cord-and-Plug-Connected Load to Receptacle.

Jim

My 2005 is outdated.I have it in the computer.Time flies.I'm not going to buy a new one though.Table 210.21(B)(3)sounds like a 15 amp receptacle is ok for 20 amps. Sounds like a 15 amp duplex could overheat on a 20 amp circuit without tripping the breaker.I would think a 20 amp receptacle on a 15 amp breaker with 14 or 12 gauge wire would be safer.Consumers don't know what they're plugging in,so you have to rely on the breaker.I'm not a electrician,and I didn't stay at a Holiday Inn Express either!