Having the right accessories available is an important consideration when selecting the right terminal block for your application. With the broadest range of accessories in the industry, WAGO 216-102 TOPJOB®S family of accessories not only increases safety and functionality, but they also reduce assembly time, troubleshooting and costs. Advantages include: Exclusive jumper retention spring securely holds the jumpers in place, Industry's most comprehensive jumper offering simplifies complex wiring tasks, Multi-line, continuous strip marking is fast, economical and clearly identified, one family - accessories fit all TOPJOB®S terminal blocks in the same series.