Chen Yu ELV Templates

Website overview

About Chen Yu ELV Templates

Chen Yu ELV Templates — Excel tools for low-voltage engineers by maker Leo Chen — offers five paid products for ELV engineers, estimators and installers. The Low-Voltage Systems BoQ Excel Template organizes CCTV, access control, structured cabling, PA/BGM, BMS/BAS and fire alarm quantities, rates and subtotals. The ELV System Design Calculator Toolkit covers cable lengths, UPS sizing with approximate runtime, CCTV/NVR storage and retention, and PoE budgets. A bundle combines the BoQ template and calculator toolkit. The store also includes a CCTV design & commissioning checklist and a structured cabling BoQ estimator. Editable .xlsx, no macros; works with Excel, Google Sheets, LibreOffice and WPS. Planning aid only: replace sample data and verify manufacturer specifications, site conditions and standards before design or installation.

At a glance

Key features

• Six-system ELV BoQ template with automatic subtotals
• Cable, UPS, CCTV/NVR storage and PoE calculators
• CCTV design and commissioning checklist
• Structured cabling BoQ estimator
• Editable .xlsx workbooks without macros

Practical details

What can you use this website for?

Choose an Excel template or calculator toolkit for an ELV project, download it from Payhip, then enter project quantities and assumptions to plan, estimate, and check low-voltage systems.

Who is it for?

Low-voltage/ELV engineers, project estimators, installers, and integrators preparing budgets, system designs, or commissioning tasks.

What to know

What makes it different?

Combines practical bill-of-quantities and system-planning tools for CCTV, access control, cabling, PA/BGM, BMS and fire alarm, plus focused CCTV and structured-cabling tools; editable .xlsx sheets expose inputs and assumptions without macros.