Hardware reference guide
Intrinsically Safe Modules
35013379 02 October 2007 435
Terminal Strip 
Color and Keying 
Assignment
The module’s 140XTS33200 field wiring terminal strip is color-coded blue to identify 
it as an intrinsically safe connector.
The terminal strip is keyed to prevent the wrong connector from being applied to the 
module. The keying assignment is given below.
Module Class  Module Part Number  Module Coding  Terminal Strip Coding 
Intrinsically Safe  140AII33000  CDF   ABE
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