BASES
 
NO. 76M-A TINNED 2" WIDE COPPER BASE FOR MOUNTING ALL ADAPTER TYPE AIR TERMINALS ON MECHANICAL EQUIPMENT WHERE CONDUCTOR INTERCONNECTS ARE NOT REQUIRED. 

NO. A76M-AS ABOVE IN ALUMINUM. 

NOTE: REVIEW CODES/STANDARDS IN EFFECT TO VERIFY IF THIS METHOD IS APPLICABLE.

NO. 24-A THROUGH ROOF BASE FOR CONCEALED MOUNTING AT RIDGE LOCATIONS. INCLUDES AN ALL THREAD 3/8" X 12" LONG RISER, CAST BRONZE CABLE CLAMP FOR CONDUCTORS THROUGH NO. 506, LEAD WASHER FOR WEATHER SEAL, HEX NUT AND FLAT WASHER TO SECURE RISER BELOW THE ROOF AND NO. 28 ADAPTER TO ACCEPT ALL ADAPTER TYPE AIR TERMINALS. 

NO. 685-AS ABOVE BUT 1/2" RISER BAR. 

NO. A685-AS ABOVE WITH 1/2" ALUMINUM RISER BAR AND CLAMP FOR CABLES THROUGH NO. A37.

 
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