ROHN GTMBL Base Plate for Telescopic Antenna Mast Pole Ground Mount
Made in the USA!
This Telescopic Mast Base Plate is designed to provide base support for ROHN H50, H40, H30 and H20 Telescopic Masts. Use is for both Temporary and Permanent mounting in soil or with center stake inserted into, with the plate resting on top of, a small poured 1 ft cubed cement footer (ideal depending on soil and frost conditions). The Bottom of Mast Inserts onto Center Stake, where the Auxiliary hole can accommodate the above-ground portion of Ground Rod exposed for bonding attachment.
Manufacturers recommend that masts heights of 10 feet and higher above the uppermost bracket be guyed for Addition Wind Load Support. Bonding/Grounding should be made by affixment to Mast. Consult NEC and Applicable Local Code for further guidance
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