It is an abbrevation for Common Era and is an alternative to the  naming of the calendar era of AD. BCE (Before Common Era) and CE  are the numerical equivalents of the ca â¦ lendar eras of BC (Before  Christ) and AD ('Anno Domini'). 632 CE means the same as 632 AD.
A Rod A rod is a unit of distance equal to 5.5 yards or 16.5 feet.
The inspec-tor, according to the must check for diameter, Code,length, whether the diameter is under 0.625 inch, and verify the listing mark.There is a means of verifying that the diameter of a ground rod adheres to the Code.