Bird Technologies 8401 - Manual (Page 20)

Shutdown
Because the loads are passive devices, there is no way to
turn them off. Power must be shut off at the source of
the RF energy.
Emergency
Shutdown
WARNING
Do not attempt to disconnect these loads from the
coaxial cable while RF energy is still being applied.
Leaking RF power is a potential health hazard.
Turn off the RF power at the source.
10
Bird Series 8400S Termaline Coaxial Load Resistor