Boltek EFM-100 v.2 - Manual (Page 4)

CAUTIONS
EFM-100 lightning data is only approximate and should not be used for safety
applications. Strike and storm locations indicated and alarm statuses may be
erroneous and should not be used to safeguard personnel, equipment or data.
Install the EFM-100 Field Mill on a calm clear day when no thunderstorms are
expected.
If you are not experienced in safe antenna installation using appropriate safety
equipment you should refer installation to an experienced antenna installer.
(See Television Antennas in the Yellow Pages)
LIGHTNING HAZARD
EPM-1 connections are not optically isolated from the roof mounted field mill.
Dangerous voltages may occur should lightning strike at or near the field mill.
IMPORTANT
The EFM-100 field mill needs to be grounded for proper operation and for lightning
and electrical safety. Connect the field mill green ground wire and the field mill
mounting hardware to your building central ground through a suitable sized
grounding wire according to your local electrical code.
ELECTROCUTION HAZARD
You can be killed if the field mill or its mounting hardware comes in contact with an
electrical power line. WATCH FOR AND STAY AWAY FROM ALL OVERHEAD WIRES.