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.
Again, the challenge facing inspectors is how to inspect a ground rod once it is in the ground. The inspector, according to the Code, must check for diameter, 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.