Added 25V AC RMS limit specification

rules.adoc

@@ -773,7 +773,7 @@ robot’s dimensions must not exceed the following limits:
 |height | 18.0 cm ^[1]^ | 22.0 cm ^[1]^ +
 |weight | 2200 g ^[2]^ | {~~1100~>1400~~} g ^[2]^ +
 |ball-capturing zone | 1.5 cm | 3.0 cm +
-|voltage | {~~15.0~>48~~} V ^[3]^ ^[4]^ | {~~12.0~>48~~} V ^[3]^ ^[4]^ +
+|voltage | {~~15.0 V~>48V DC / 25V AC RMS~~} ^[3]^ ^[4]^ | {~~12.0 V~>48V DC / 25V AC RMS~~} ^[3]^ ^[4]^ +
 |===
 
 TIP: [0] Robot must fit smoothly into a cylinder of this diameter
@@ -816,7 +816,7 @@ optical parts, optical systems, and total field of view. Components may be
 sourced in any way the team sees fit.
 
 {--Voltage pump circuits are permitted only for a kicker drive. --}No voltage may
-exceed 48V at any time and maximum voltage must be available for
+exceed 48V DC or 25V  AC RMS at any time and maximum voltage must be available for
 demonstration and measurement at inspections. When not in use measurement
 contacts must be protected from accidental touches or short circuits.{-- All
 other