Electrical and Installation Guides Page 8: 257 technical guides for choosing Electrical and Installation products: selection criteria, standards, common mistakes and frequently asked questions.
What Are Fans and Ventilation Products? Types and Selection Criteria — Fans and ventilation products are fans that remove heat from panels and devices or humid air from living spaces, plus accessories such as filters and fan guards. What Is a Gland Locknut? Types and Selection Criteria — A gland locknut is a locking nut that fixes the threaded body of a cable gland or spiral conduit fitting into an unthreaded panel, box or device hole from the inside. What Is a Panel Socket? Types and Selection Criteria — A panel socket is a socket-outlet fitted on a DIN rail in an electrical panel or in a cut-out in its door or side wall, and supplied from inside the panel. What Is an MCB Panel? Types and Selection Criteria — An MCB panel is a covered flush- or surface-mounted distribution box that houses DIN-rail modular devices such as miniature circuit breakers and residual current devices. What Is a Cable Clip? Types and Selection Criteria — A cable clip is a small plastic holder that fixes a cable or cable bundle to a wall, ceiling or panel surface with a nail, screw, wall plug or adhesive. What Are Cable Fixing Materials? Choosing Clips, Anchors and Screws — Screws, nuts, anchors and cable clips are fastening elements that fix cables and electrical material to concrete, brick, wood, metal or panel surfaces. What Is an Industrial Power Strip? Types and Selection Criteria — An industrial power strip is a rugged portable multi-socket outlet with a rubber or polyamide body that feeds two to four sockets from a single supply cable on sites and in workshops. What Is a Junction Box Terminal Block? Types and Selection Criteria — A junction box terminal block is an insulated connecting element that joins two or more conductors inside a junction box with screwless or screw clamping. What Are Three-Phase Rubber Plugs and Sockets? Types and Selection Criteria — Three-phase rubber plugs and sockets are impact-resistant, rubber-bodied connectors for portable three-phase machines such as welding machines, compressors and concrete mixers. What Is Electrical Tape? Types and Selection Criteria — Electrical tape is a roll tape used in installations to insulate joints, protect them from moisture, wrap cable bundles or fix parts; there are four main types. What Are Jacks and Clips? RJ45, Banana Jack and Crocodile Clip Types — Jacks and clips connect cables to devices or test points in a detachable way: RJ45 keystone jacks (IEC 60603-7), F and BNC coaxial connectors (IEC 61169-8), banana jacks and crocodile clips (IEC 61010-031). Cable and Panel Labeling Materials: Types and Selection Criteria — Labeling and marking materials are the marker rings, label holders and labels that permanently identify cables, conductors and switchgear devices. What Are Fastening and Mounting Elements? Clips, Holders and PCB Standoffs — Fastening and mounting elements are small parts such as clips, adhesive holders and PCB standoffs that secure cables and electronic boards to a panel, machine or device housing. What Is a Mini Terminal Block? Types and Selection Criteria — A mini terminal block is a rail-mounted terminal block with a smaller body than a standard one, used to connect small conductor sizes in tight spaces. What Is an Intercom System? Types and Selection Criteria — An intercom system provides audio or video calls between the door panel at a building entrance and the indoor unit, and lets the door lock be released from inside. What Is a Panel Thermostat? Types and Selection Criteria — A panel thermostat senses the temperature inside a panel and opens or closes its contact at a set value, switching the heater or fan on. What Are Security and Access Systems? Types and Selection Criteria — Security and access systems is the common name for devices such as cameras, smart locks and smoke detectors that monitor a building, control entry and warn of hazards early. What Is an Electric Heater? Types and Selection Criteria — An electric heater is a device that converts electrical energy into heat in a heating element and warms a space by fan, radiation or natural convection. What Are Electrical Consumables? Types and Selection Criteria — Electrical consumables are auxiliary materials that are used up in installation, maintenance and repair work on electrical systems, or replaced after a fault. What Is a Binding Post? Uses and Selection Criteria — A binding post is an output terminal on the panel of a power supply or test device; tightening its screw cap clamps a wire, fork lug or banana plug. What Is a Circuit Component? Types and Selection Criteria — A circuit component is a basic part of an electrical or electronic circuit that limits current, stores energy, sets the direction of current or switches the circuit. What Is a Diode? Types and Selection Criteria — A diode is a two-terminal semiconductor component that conducts current only from anode to cathode and blocks reverse current up to its rated voltage. What Is a Public Address and Background Music System? Types and Selection Criteria — A public address and background music system carries music and announcements through an amplifier to speakers spread across a shop, office, hotel or factory. What Is a CEE Distribution Box and Multi-Socket? Types and Selection Criteria — A CEE distribution box is a mostly portable socket housing that multiplies power from one CEE input to several CEE or household sockets.