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Wiring & Electrical

Cable sizing, conduit, grounding, and electrical safety for solar PV systems.

Australia

+5

DC Combiner Boxes and String Monitoring

Jun 22, 2026

•

1 min read

DC Combiner Boxes and String Monitoring

AS/NZS 5033 • Array Protection • String-Level Fault Detection

Jason Morales
Jason Morales

Australia

+7

Generating Sets Integration — AS 3010 and Hybrid Backup Systems

Jun 21, 2026

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3 min read

Generating Sets Integration — AS 3010 and Hybrid Backup Systems

AS 3010-2017 • Generator Sizing • Load Transfer • Solar-Generator Hybrid

Jason Morales
Jason Morales

Australia

+7

Arc Fault Circuit Interrupters (AFCI) for Solar

Jun 20, 2026

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1 min read

Arc Fault Circuit Interrupters (AFCI) for Solar

AS/NZS 5033 • DC Arc Faults • Fire Prevention • AFCI Technology

Jason Morales
Jason Morales

Australia

+5

Ground Fault Detection in Solar DC Circuits

Jun 19, 2026

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1 min read

Ground Fault Detection in Solar DC Circuits

AS/NZS 5033 • Earth Leakage • Ground Fault Protection • Transformerless Inverters

Jason Morales
Jason Morales

Australia

+5

Stand-Alone Power Systems — The Complete AS 4509 Series

Jun 18, 2026

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3 min read

Stand-Alone Power Systems — The Complete AS 4509 Series

AS 4509.1 Safety • AS 4509.2 System Design • AS 4509.3 Installation & Maintenance

Jason Morales
Jason Morales

Australia

+5

Battery Storage Standards — AS 3011 and AS 4086

Jun 17, 2026

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3 min read

Battery Storage Standards — AS 3011 and AS 4086

AS 3011.1 Vented Cells • AS 3011.2 Sealed Cells • AS 4086 Stand-Alone Batteries • Installation & Safety

Jason Morales
Jason Morales

Australia

+5

The Solar Array Standard — AS/NZS 5033 in Full Detail

Jun 16, 2026

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2 min read

The Solar Array Standard — AS/NZS 5033 in Full Detail

AS/NZS 5033-2014 Amd2-2018 • PV Array Design • DC Wiring • Isolation • Labelling

Jason Morales
Jason Morales

Australia

+5

Grid Connection via Inverters — The AS 4777 Series

Jun 15, 2026

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3 min read

Grid Connection via Inverters — The AS 4777 Series

AS 4777.1-2016 Installation • AS 4777.2-2015 Inverter Requirements • AS 4777.3-2005 Grid Protection

Jason Morales
Jason Morales

Australia

+6

Cable Selection — AS/NZS 3008 for Solar DC and AC Circuits

Jun 14, 2026

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2 min read

Cable Selection — AS/NZS 3008 for Solar DC and AC Circuits

AS/NZS 3008.1.1-2017 • Current Carrying Capacity • Voltage Drop • Solar Cable Sizing

Jason Morales
Jason Morales

Australia

+7

PV Array Labelling — The Full AS 5033 Requirements

Jun 13, 2026

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1 min read

PV Array Labelling — The Full AS 5033 Requirements

AS/NZS 5033-2014 Amd 2-2018 • Labelling • Signage • Compliance

Jason Morales
Jason Morales

Australia

+6

Rapid Shutdown — Emergency De-Energisation for Solar Arrays

Jun 12, 2026

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1 min read

Rapid Shutdown — Emergency De-Energisation for Solar Arrays

AS/NZS 5033 Amd 2-2018 • Emergency Procedures • Firefighter Safety

Jason Morales
Jason Morales

Australia

+5

The Wiring Rules — AS/NZS 3000 for Solar Installations

Jun 11, 2026

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2 min read

The Wiring Rules — AS/NZS 3000 for Solar Installations

AS/NZS 3000-2018 • Wiring Rules • Protection Devices • Earthing • Labelling

Jason Morales
Jason Morales

Australia

+4

Lightning Protection for Solar Systems — AS/NZS 1768-2007

Jun 10, 2026

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2 min read

Lightning Protection for Solar Systems — AS/NZS 1768-2007

AS/NZS 1768-2007 • Risk Assessment • Surge Protection Devices • Earthing

Jason Morales
Jason Morales

Australia

+5

Fire Safety and Roof Access — AS 1530 and AS 1657

Jun 9, 2026

•

2 min read

Fire Safety and Roof Access — AS 1530 and AS 1657

AS 1530.1 Fire Tests • AS 1657-2018 Walkways & Ladders • Safety During & After Installation

Jason Morales
Jason Morales

Australia

+4

Rapid Shutdown — Emergency De-Energisation for Solar Arrays

Jun 6, 2026

•

1 min read

Rapid Shutdown — Emergency De-Energisation for Solar Arrays

AS/NZS 5033 Amd 2-2018 • Emergency Procedures • Firefighter Safety

Jason Morales
Jason Morales

Australia

+6

The Complete Compliance Roadmap — All Australian Standards for Solar PV

Jun 4, 2026

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2 min read

The Complete Compliance Roadmap — All Australian Standards for Solar PV

Overview • Before, During & After Installation • Every Standard That Applies

Jason Morales
Jason Morales

Installation

+4

Reactive Power and Power Factor — How Solar Affects Your Meralco Bill

May 30, 2026

•

1 min read

Reactive Power and Power Factor — How Solar Affects Your Meralco Bill

Commercial Meralco customers pay for kVAR — reactive power. Here's how solar inverters interact with power factor charges.

Jason Morales
Jason Morales

Inverters

+2

AC vs DC Coupling for Solar Battery Storage — Which Is Better?

May 16, 2026

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1 min read

AC vs DC Coupling for Solar Battery Storage — Which Is Better?

Every hybrid system uses one of two coupling methods. The wrong choice costs you 10-15% in efficiency losses.

Jason Morales
Jason Morales

Inverters

+6

Surge Protection Devices (SPD) for Solar Systems — Why They Are Essential in the Philippines.

May 16, 2026

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1 min read

Surge Protection Devices (SPD) for Solar Systems — Why They Are Essential in the Philippines.

Lightning surge destroyed a ₱180,000 inverter in Cavite last typhoon season. An ₱8,000 SPD would have prevented it.

Jason Morales
Jason Morales

Installation

+7

How Humidity and Heat Affect Solar Panel Performance in the Philippines

May 14, 2026

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1 min read

How Humidity and Heat Affect Solar Panel Performance in the Philippines

Philippine climate is among the harshest for solar panels. Here's exactly how much output you lose — and how to recover it.

Jason Morales
Jason Morales

Installation

+5

Cable Sizing for Solar PV Systems — PEC 2017 Requirements Explained

May 14, 2026

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1 min read

Cable Sizing for Solar PV Systems — PEC 2017 Requirements Explained

Undersized cables are the #1 cause of solar fires. Here's how to get it right.

Jason Morales
Jason Morales

Inverters

+7

Off-Grid Solar Design Step by Step — Sizing for a Philippine Home

May 13, 2026

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1 min read

Off-Grid Solar Design Step by Step — Sizing for a Philippine Home

The exact calculation method used by licensed electrical engineers to design stand-alone solar systems.

Jason Morales
Jason Morales

Inverters

+4

String Sizing 101 — How to Calculate How Many Panels Go in Series

Apr 30, 2026

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1 min read

String Sizing 101 — How to Calculate How Many Panels Go in Series

Get this wrong and your inverter underperforms — or shuts down completely.

Jason Morales
Jason Morales

Installation

+4

Grounding Your Solar System — The Safety Step Most Philippine Installers Skip

Apr 29, 2026

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2 min read

Grounding Your Solar System — The Safety Step Most Philippine Installers Skip

Proper grounding is the difference between a lightning strike that damages your inverter and one that burns down your house.

Jason Morales
Jason Morales

Inverters

+5

Microinverters vs String Inverters — The Real Comparison for PH Rooftops

Apr 27, 2026

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1 min read

Microinverters vs String Inverters — The Real Comparison for PH Rooftops

Salesperson says microinverters are always better. Engineer says: it depends. Here's the honest analysis.

Jason Morales
Jason Morales
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