Originally Posted by rahc

Not sure where you are getting the $39k number from.

Your max contribution is $17,500 for 2014
There is also a $5500 allowance catchup if you are of age 50.
Total max contribution is $52,000 for 2014.

technically speaking, if you were to put $0 in, the company could place $52k in.

For 2014, IRS Issues 401(k) and Pension Plan Limits