Time Lag Switches Archives

Time lag switches, also known as time delay switches, are electrical devices used to control the timing of lighting circuits in various settings, including residential, commercial, and industrial environments. These switches are designed to automatically turn lights on and off after a predefined period of time, enhancing energy efficiency and convenience. In the context of BS 7671 (the IET Wiring Regulations), there are specific considerations for the installation and use of time lag switches. Here are some key points:

Functionality: Time lag switches allow users to set a delay period for how long the lights should remain on after activation. Once the delay period elapses, the switch automatically turns the lights off.
Applications: Time lag switches are commonly used in areas where lights need to be on temporarily, such as hallways, stairwells, restrooms, and utility rooms. They are also used for security lighting, outdoor lighting, and in commercial and industrial settings to conserve energy.
Installation: When installing time lag switches, it is essential to follow the manufacturer’s instructions and comply with the requirements of BS 7671. Proper installation ensures safe and reliable operation. The switches should be correctly connected to the electrical circuit, and the wiring should be in accordance with the regulations.
Location and Accessibility: Time lag switches should be installed in accessible locations where users can easily access them to activate or adjust the delay settings. They should not be obstructed or hidden.
Protection: Time lag switches may need to be housed in suitable enclosures or protective covers to protect them from environmental factors, tampering, or accidental damage.
Testing and Commissioning: After installation, time lag switches should be tested to ensure they operate correctly. This includes verifying that the delay settings are accurate and that the switches turn the lights on and off as intended.
Maintenance: Regular maintenance may be required to ensure the continued operation of time lag switches. This may involve checking for loose connections, cleaning, and replacing components as needed.
Compliance with BS 7671: When installing time lag switches as part of an electrical installation in the UK, it is essential to comply with the requirements of BS 7671 (the IET Wiring Regulations). This includes ensuring that the switches are correctly connected, protected, and installed in a safe and compliant manner.
Safety: Time lag switches should be installed in a manner that prevents unauthorized tampering or access. They should not compromise the safety of the electrical installation.
Integration with Lighting Control Systems: In some cases, time lag switches may be integrated into larger lighting control systems for enhanced functionality and automation.

Properly installed and maintained time lag switches contribute to energy savings by automatically turning off lights in unoccupied areas, reducing electricity consumption, and extending the lifespan of lighting fixtures. Compliance with BS 7671 ensures that these devices are installed safely and in accordance with industry standards.

Warmup Repair Kit (New 2019)

Warmup 6iE Smart WiFi Underfloor Heating Thermostat Onyx Black

Warmup 6iE Smart WiFi Underfloor Heating Thermostat White

Pebble Mini Plug&Play Hand Dryer - Black

Hafele Loox LED Door Sensor Switch

Timeguard Fused Spur 7 Day FST77

GEFL - Ceiling Mounted PIR Presence Detector

GITLC 2 Wire Push Button Time Lag Switch

Aurora EN-DLM981X EFD™ Pro Fixed Fire Rated Downlight

G4 LED 3W Dimmable 3000K Warm White

Aurora AU-X7/30 7W LED Warm White 3000K Dimmable Downlight White Bezel Included

G4 LED 2W Dimmable 3000K Warm White

DC Jolly MD Driver 122260 Dimmable LED Driver

DC MAXI Jolly DALI 1 & 2 / 1-10V 60W Dimmable LED Driver 127413

Aurora 1-10W Dimmable 700mA Constant Current LED Driver

1-4W 350mA Dimmable Constant Current LED Driver

Hager Sollysta 2 Gang Double Pole Switched Socket Dual Earth

Syncbox SB-Power

Hager Sollysta Double Pole Switched Socket 2 Gang With Twin USB A+C Ports

V-Pro Grid - Long Spindle 24mm LED Dimmer 120W

FuseBox 32A RCBO Type A

FuseBox 6A RCBO Type A

Meter Supply Isolator with Surge Protection

Fusebox Din Rail Mounted MCB / RCBO Blank

Aico Ei146e Optical Smoke Alarm

Aico Ei3016 Optical Smoke Alarm

Aico Ei650RF RadioLINK+ Battery Optical Alarm

Aico Ei3018 Carbon Monoxide Alarm

Vent-Axia VASF100HT Dual Speed Silent Humidistat Timer

Vent Axia VASF100T Dual Speed Silent with Timer

Envirovent SILDES100HT Silent Design 100mm White Ultra Quiet Extractor Fan With Timer & Humidistat

AirVent Tile Fan with Timer

NAPIT EICR Codebreakers A2:2022

Requirements for Electrical Installations IET Wiring Regulations Eighteenth Edition BS 7671:2018+A2:2022

Guidance Note 3: Inspection & Testing 9th Edition

On-Site Guide (BS 7671:2018+A2:2022) 8th Edition

Wago Wagobox 221-4 Enclosure 4mm²

Wagobox-Light Wago Junction Box

Wago 221-412 2 Way Lever Connector - Pack of 100

Wago Junction Box

M6 X 20mm Penny Washer BZP

SWA No. 7 Cable Cleat

Deligo M6 x 30mm Penny Washer BZP

25mm Steel Spacer Bar Saddles White

Milwaukee Inkzall™ Marker Black - 1 PC

Ideal Flat Cable Stripper for Twin & Earth

Mandrex One-Click (MXqs) Hole Extension Adapter Set

FuseBox Consumer Unit Lock Kit

POD POINT S7-2C-3 Solo 3 Tethered 7kW EV Car Charger

POD POINT SOLO LOCKING MECHANISM

Pod Point Solo 3 Home Untethered Universal 7kW Mode 3 EV Charger

Sync EV - Home Car Charger EVCP-7KW-S-1PH: 32A Black

Sync EV - Home Car Charger EVCP-7KW-S-1PH: 32A White

G4 LED 3W Dimmable 3000K Warm White

Live Electrical 125 Amp 6 Way TPN Distribution Board with SPD

Pebble Mini Plug&Play Hand Dryer - Black

Aurora R6™ Fixed 6W Fire Rated Downlight Warm White 3000K

The Back Box Repair Clip - Pack of 5

Time Lag Switches

Fixings

Ideas & Inspiration