A circuit testing closer may include a fault isolating switching device coupled between a supply side and a load side of a power distribution system and a current pulse generator coupled in parallel to the switch to generate a current pulse within the power distribution system subsequent to a fault isolation for testing the power distribution system. A subscriber account with a multi-channel video program distributor includes subscription information indicative of the services provided by the MVPD to the subscriber. The apparatus comprises a receiver for receiving a data stream transmitting a media program encrypted according to a media encryption key and an encrypted media encryption key and a conditional access module, communicatively coupleable with the receiver. The rib extends along a non-axial path within the bypass passageway. In the composition, the ethylene-glycidyl methacrylate-based copolymer is contained in an amount of 1% by mass or more and 30% by mass or less with respect to the amount of the polyacetal-based resin. The user interface provides context for the account structure and controls for creation and modification of the account configurations.