Low Voltage Systems Guide
iOS Universel / Références
Master the visual language of low-voltage systems with the most complete illustrated reference in your pocket. Whether you're a field technician, designer, estimator, AHJ, electrical apprentice, or BICSI candidate, this app puts an entire library of low-voltage drawings at your fingertips — works entirely offline.
171 Professionally Drawn Illustrations
Browse floor plans, riser diagrams, block diagrams, and integration graphics that cover every major low-voltage discipline. Every drawing is labeled, color-keyed, and annotated so you can learn the system at a glance.
16 Discipline Categories
System Overviews & Integration
Low-Voltage Plans & Layouts
Riser Diagrams
Fire Alarm (NFPA 72)
Access Control Systems
CCTV & Video Surveillance
Intercom Systems
Public Address & Paging
Audio-Visual Systems
Building Management (BMS)
Structured Cabling & Network
HVAC Systems
Plumbing Systems
Electrical Systems
Testing, Commissioning & Symbols
Field Troubleshooting Diagrams
15 Field Calculators
Run the quick math you actually need on-site: FACP battery sizing, NAC voltage drop, NFPA 72 strobe-spacing lookup, CCTV storage sizing, camera bandwidth, lens FOV and pixel density, electric-strike/maglock current, LV cable voltage drop, conduit fill (40 %), PoE switch budget, BACnet point count, IDF cooling tons, UPS runtime, REX/unlock timing, power-supply headroom.
7-Chapter Low-Voltage Guide
A concise field primer covering what counts as "low voltage," the eleven core LV subsystems, how to read an LV drawing set, the code stack (NFPA 70 Articles 725/760/770/800, NFPA 72, TIA-568/569/606/607, BICSI TDMM, UL listings), pathways and cabling best practices, installation and commissioning milestones, and a full glossary of LV acronyms.
Designed for the Job Site
Pinch-to-zoom (up to 6×) and double-tap to snap between 1× and 3×
Full-screen swipeable gallery — flick left/right through any category
Tap the star on any drawing to save it to Favorites
Full-text Search across every title, keyword, and category
Works 100% offline — no Wi-Fi needed in a dark telecom closet
Universal iPhone + iPad, with dark-mode support
No ads, no tracking, no account required
Who It's For
Low-voltage installers and integrators · fire-alarm technicians and NICET candidates · security and access-control designers · IT / structured-cabling contractors · BICSI RCDDs and ITS technicians · electrical contractors running LV divisions · architects, estimators, and project managers · AHJs and fire marshals · apprentices and trade-school students.
Disclaimer
The drawings, diagrams, tables, and calculations in this app are for educational and reference use only. They do not constitute permit-ready or construction-approved drawings for any specific project, and they are not a substitute for the judgment of a licensed engineer or the direction of the Authority Having Jurisdiction. Always follow the current editions of NFPA 70, NFPA 72, applicable TIA/BICSI standards, and all local amendments.
