Electrical Mechanical Lug Torque Specs

Internal socket size across flats inches.

Electrical mechanical lug torque specs.

Sometimes there are multiple torques for the lug. Tightening torque in inch pounds. We are experiencing a lot of failures of insulated lug connectors on motors lately and are being told by the lug mfgs to torque them. 595 circlewood aurora oh 44202 usa email.

I have been a master electrician contractor for 42 years and have heard many times about torque values but always felt tighter was better. Tightening torque values for ilsco sockethead screw connectors. Mechanical lug 1 hole 1 barrel straight copper 14 to 6 awg 3 16 in. A critical concept in understanding bus lug torque specifications is the fact that the pressure of the lug connection has more to do with lowering the resistance of the electrical connection than the size of the lug itself.

Tightening torque values for ilsco mechanical screw connectors. Sometimes it could be compression but in this case it is torque. Mfr cxs35 36t c view product. Each of our parts has the opportunity to have a separate torque associated with it.

Electrical distribution equipment fasteners and hardware fittings flooring fuses heating ventilation and air conditioning industrial and maintenance supplies. Loose lugs create a high resistance connection to the bus bar and electrical resistance in metal causes heat. How does that relate to electrical lugs.