Tower Earth Clamps

An image of the Wallis tower earth clamp

Dimensional drawing of a tower earth clamp

Tower earth clamps are used for bonding copper conductors onto steel surfaces.

The double-plate design provides a robust fixing in areas where cladding may be installed or where the complete clamp will be covered by concrete. The clamp is fixed by drilling a hole in the steelwork and securing with the set screw provided.

Conductor Range sqmm	L (mm)	W (mm)	H (mm)	Set Screw	Unit Weight (kg)	Part Number
Conductor Range sqmm16 - 70	L (mm)45	W (mm)30	H (mm)17	Set ScrewM10 x 50mm	Unit Weight (kg)0.12	Part NumberBTC 070	Quantity
Conductor Range sqmm70 - 120	L (mm)48	W (mm)35	H (mm)22	Set ScrewM12 x 60mm	Unit Weight (kg)0.23	Part NumberBTC 120	Quantity
Conductor Range sqmm120 - 185	L (mm)60	W (mm)35	H (mm)14	Set ScrewM12 x 75mm	Unit Weight (kg)0.30	Part NumberBTC 185	Quantity
Conductor Range sqmm185 - 240	L (mm)63	W (mm)45	H (mm)35	Set ScrewM12 x 80mm	Unit Weight (kg)0.40	Part NumberBTC 240	Quantity
Conductor Range sqmm240 - 300	L (mm)70	W (mm)53	H (mm)42	Set ScrewM12 x 90mm	Unit Weight (kg)0.60	Part NumberBTC 300	Quantity

Material: High Copper Alloy

Tested: BS EN 62561-1 Class H

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