TM-178 J-box ??

brian in denver · Post by **brian in denver** » Sun Jun 18, 2017 11:50 am

anybody ever seen one? anybody know the application ?

http://www.radionerds.com/index.php/TM-178

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Fieldfone · Post by **Fieldfone** » Tue Jun 20, 2017 7:22 pm

TM-178 Power Junction Box used for interconnecting BC-191-A and BC-224-A and RC-15-A.

brian in denver · Post by **brian in denver** » Wed Jun 21, 2017 6:23 am

yah I kinda suspect aircraft, but RC-15 calls out TM-174

or are you saying RC-15 is rec. only
and 15-A is rec and trans. ?

wa5cab · Post by **wa5cab** » Thu Jun 22, 2017 8:09 pm

RC-15 and RC-15-A are Interphone Systems or Interphone Equipment.

Junction Box TM-178 is part of SCR-187-A. So aircraft. TM-178-A is substantially the same except that the connectors and switch are not included and one additional knockout is added

brian in denver · Post by **brian in denver** » Fri Jun 23, 2017 6:37 am

I kinda suspected SCR-187, I found the drawings In the preliminary BC-191-F manual, but it was real vague about application.

thanks
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