Wiring Methods for Industrial Machinery | Electrical wwweb›contentMultiple-device control panels must have terminal blocks or attachment plugs and receptacles to terminate and connect all outgoing control conductors. Machine wiring (NFPA 79, Secs. 16 and 17). You must totally enclose conductors and their connection external to the control panel enclosure in suitable raceways or enclosures. Unless used for Double and Triple Level Terminal Blocks - Omega Engineering Double and Triple Level Terminal Blocks, sensor terminal block, RTD terminal block. Hours. The XBUTT double-level terminal blocks reduce space requirements by 50% over single-level terminal blocks. These terminal blocks are suitable for 2-wire RTD connections. The XBUTT Series can be bridged on both levels for maximum flexibility.
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