Here, on page 23...

http://www.icomamerica.com/support/k...?Download=1265

....Icom shows four 0.15 uf capacitors in parallel acting as a DC
block / galvanic isolator in the RF ground circuit of an SSB system.

I assume the caps are in parallel to increase the voltage rating...?

Are these plain old ceramic caps, like an 'orange drop' - say 400 VDC?

Many Thanks.