Cable Gland Strain Relief Explained
Strain relief keeps load off the terminals, not off the cable. The three mechanisms, what determines pull-out resistance, and when a gland is not enough.
Lire la suiteStrain relief keeps load off the terminals, not off the cable. The three mechanisms, what determines pull-out resistance, and when a gland is not enough.
Lire la suiteWhy no universal torque table exists, what tightening has to achieve, how to read a torque figure, and how to judge a gland tightened by hand.
Lire la suiteHole sizes for every metric and PG thread, plus the four things that make a correctly sized hole leak: burrs, wall thickness, sealing face and layout.
Lire la suiteMetric, PG, NPT and G thread size charts in one place, with the reading method that turns a chart row into a correct purchase order.
Lire la suiteNPT and metric cable glands seal in different places. Tapered versus parallel threads, hole preparation, the locknut problem, sealant rules and North American hazardous area entries.
Lire la suitePG and metric cable glands are separate thread systems, not two names for one fitting. Flank angles, the nearest-size table, why PG13.5 will not enter an M20 hole, and when an adapter is the right answer.
Lire la suite