Winding short circuit and winding touch chassisground generally use a multimeter to check;
绕组短路和绕组碰机壳接地一般用万用表即可检查；
2
In many cases the resulting ground screen will be tied to chassisground at a number of points but it will sometimes be better to join them at a single star point.
不过，某些应用里，还是先把它们接起来然后单点接地（译者疑虑，不一定要接机壳吧）效果更好。
3
Then again, it might be even better to shove the chassis in the ground, leaving the opening exposed for a PC-themed barbecue pit.