Modules provided with junction boxes intended for attachment of a permanent wiring system using conduitmust provide assurance of the ability of the box construction to withstand load forces which may be applied to the conduit during and after installation.
One end of the conduits connected to electric knob, so it can according to the standard requirements, in a minute junction box and conduits rotate around the central axis of tester 360°, then automatically stop.
Two shafts distance: > 920mm (adjustable) Rotating speed: 360° / min Test program set: after 1min automatically stop rotating Poise weight: 220N, 330N, 490N
Pass criteria: The attachment walls of the module junction box (nonmetallic outlet boxes or flush-device boxes) shall not rupture or separate from the conduit.