How To Measure The Length Of Galvanized Cross Arm Bolts

The measurement method of Fuse Switch has always been valued by everyone. The following power fittings manufacturer will tell you about it:

Taking φ190 as an example, if it is 2m from the top of the pole, it is 13.3×2＋190＋12＋10=238.6cm. The length of the nut to be added is: φ16㎜＋30㎜, φ20㎜＋40㎜, single-head bolt two mothers and two washers, double-head bolt four mothers and two washers.

Check that the cross arm top cap has no rust, no sand holes, the specifications meet the design, and there are no missing parts such as cotter pins and nuts;

No personal injuries occur;

Generally, a pair of cross arms are installed for corners below 45°, and the cross arm insulator string skirt is 5cm smaller than the cross arm. For straight turns below 15°, there is generally no gap.