When a safety switch trips unexpectedly, a household appliance or pump appears linked to the problem, or testing is required, clear information can make the next step easier. RCD testing checks protective switches at a home’s switchboard or distribution board, helping identify whether the device performs within its expected range or needs further attention.
Perth-based plumbing and gas contractor specialising in emergency plumbing, blocked drains, hot water systems and maintenance services. Provides 24/7 emergency plumbing support across the Perth metropolitan area for residential and commercial clients. Known for fast response times, reliable workmanship and customer-focused service.
Rcd TestingElectricalFull Electrical LicenseTesting And TaggingResidential PlumbingBlocked Drains+76 more
Waterwise
Backflow
Gas
Plumbing Contractor
Emergencies
DHM Plumbing & Gas Service is a Bull Creek-based plumbing and gas fitting business servicing domestic and commercial clients across Perth. The business provides practical plumbing and gas support across hot water systems, wet area renovations, plumbing, drainage and gas services.
With a focus on prompt, reliable and affordable service, DHM... Plumbing & Gas Services supports homeowners and businesses with repairs, installations, maintenance and renovation-related plumbing work. The company provides licensed plumbing, gas and restricted electrical support, with services available for both residential and commercial properties.
Rcd TestingElectricalFull Electrical LicenseTesting And TaggingResidential PlumbingGas Fitters Gas Plumbing+58 more
Jewelbic Plumbing & Gas is a Perth-based plumbing and gas contractor delivering high-quality residential, commercial and maintenance plumbing services across Western Australia. Based in Osborne Park and operating since 2014, the business has built a strong reputation for reliable workmanship, attention to detail and responsive customer... service.
Led by Managing Director Chad Djulbic and a team of around 30 licensed plumbers, gas fitters and trade assistants, Jewelbic delivers everything from blocked drains, burst pipes and hot water repairs through to programmed commercial maintenance, office and medical fitouts, large-scale renovations and new commercial construction projects.
With more than 12 years of industry experience, Jewelbic Plumbing & Gas services residential homeowners, builders, commercial clients and facility managers throughout the Perth metropolitan area. The company is part of the broader Jewelbic Group, which also includes Jewelbic Electrical, Jewelbic Building & Maintenance and Jewelbic Brothers, allowing integrated multi-trade delivery on larger projects.
Rcd TestingElectricalFull Electrical LicenseRestricted ElectricalTesting And TaggingResidential Plumbing+146 more
Certified Master PlumberNo reviews yetOpen · 24/7 Service
TAPS Industries is a family-owned and operated plumbing, gas and maintenance services business based in Kambalda, delivering trade services throughout the Goldfields and regional Western Australia.
Established in 2011, the company provides plumbing, gas fitting, sewer and drainage services, air conditioning, vacuum truck operations, bathroom... renovations and mining camp maintenance for residential, commercial and mining clients.
With a strong reputation for reliability, prompt service and community involvement, TAPS Industries supports communities from Kalgoorlie and Leonora through to Norseman, Wiluna and Esperance.
Backed by a 24/7 emergency response service and a commitment to quality workmanship, TAPS Industries continues to be a trusted provider of plumbing and maintenance solutions across regional Western Australia.
Rcd TestingElectricalRestricted ElectricalTesting And TaggingResidential PlumbingBlocked Drains+52 more
Certified Master PlumberNo reviews yetOpen · 24/7 Service
Hilton Plumbing is an award-winning, family-run Perth plumbing business established in 1980. Based in Bibra Lake, the team provides domestic and commercial plumbing, gasfitting, hot water, blocked-drain, leak-detection and emergency services across metropolitan Perth. Recognised by MPAWA as Employer of the Year and for Excellence in Customer... Service in both 2024 and 2025, Hilton Plumbing is committed to honest advice, upfront pricing and dependable workmanship.
Rcd TestingElectricalFull Electrical LicenseRestricted ElectricalTesting And TaggingResidential Plumbing+101 more
Certified Master PlumberNo reviews yetOpen · 24/7 Service
Rowson’s Plumbing Services is a proudly Western Australian owned and family-operated business providing commercial, industrial and residential plumbing services throughout the Perth metropolitan area. Established in 1998, the company has built a strong reputation for professional workmanship, reliability, safety and customer service.
Available 24... hours a day, seven days a week, Rowson’s provides commercial plumbing maintenance, emergency plumbing, blocked-drain clearing and CCTV inspections, gas services, hot water systems, leak detection, backflow prevention, strata plumbing and pump installation, servicing and repairs. The team is supported by ongoing in-house training and holds Master Plumbers Association membership, Waterwise Plumber recognition and WPCG accreditation.
Rowson’s is a multi-award-winning business, including the 2023 MPA Business of the Year for Commercial Maintenance Plumbing and Gas, reflecting its commitment to quality, compliance and long-term client relationships.
Rcd TestingElectricalRestricted ElectricalTesting And TaggingResidential PlumbingBlocked Drains+172 more
Waterwise
Backflow
Gas
Plumbing Contractor
Emergencies
Eco Plumbing and Gas is a family-owned Perth plumbing business established in 2007. Servicing residential, commercial and development clients throughout the metropolitan area, the qualified team provides plumbing maintenance, blocked drain clearing, leak detection, gasfitting, renovations, backflow prevention and commercial plumbing services.
The... business is particularly experienced in gas, electric, solar and heat-pump hot water systems, as well as civil, strata and subdivision plumbing involving sewer conversions, new junctions and sewer extensions. With a focus on reliable service, attention to detail and practical, cost-effective solutions, Eco Plumbing and Gas is equipped to manage everything from household repairs to complex commercial and subdivision works.
Rcd TestingElectricalRestricted ElectricalTesting And TaggingResidential PlumbingBlocked Drains+103 more
Certified Master PlumberNo reviews yetOpen · 24/7 Service
APG Plus is a South West-based plumbing, gas, electrical and facility maintenance business operating from East Picton and servicing Bunbury, surrounding towns and wider WA.
Established in 1991, APG Plus provides residential, commercial and industrial plumbing and gas services, supported by experienced tradespeople, strong customer service and a... broad capability across maintenance, construction, repairs and asset management.
The business is well suited to homeowners, commercial property owners, builders, facility managers, industrial clients, aged care facilities, health care providers and businesses requiring reliable planned or reactive maintenance.
APG Plus’ services include plumbing and drainage, gas fitting, hot water systems, backflow prevention, roof plumbing, drainage, pump stations, fire pump sets, wet fire systems, filtration, electrical maintenance and general building maintenance. With 24/7 phone availability and strong South West capability, APG Plus provides a practical one-stop service for plumbing, gas and maintenance needs.
Rcd TestingElectricalFull Electrical LicenseRestricted ElectricalTesting And TaggingResidential Plumbing+192 more
Certified Master PlumberNo reviews yetOpen · 24/7 Service
Royalty Plumbing, Gas & Electrical is a well-established Perth-based trade services company providing plumbing, gas fitting, electrical, hot water, and emergency maintenance services across the Perth metropolitan area. The business operates 24/7 and has built a strong reputation in both residential and commercial maintenance markets. It is a... member of the Master Plumbers Association WA and NECA WA, with licensed plumbers, gasfitters and electricians on staff.
Rcd TestingElectricalFull Electrical LicenseTesting And TaggingResidential PlumbingBlocked Drains+57 more
An RCD is a protective switch, often labelled at the switchboard or distribution board. It is designed to trip when leakage current is detected, reducing electric shock risk. RCD testing checks the device’s operation and whether it trips within the required performance range.
For a home, electrical RCD testing can be relevant when a safety switch is tripping, when equipment connected with plumbing assets appears to be involved, or when testing is being arranged for a particular purpose such as compliance, sale, a fault or insurance. A test can also bring attention to circuit identification and the condition of the equipment being checked.
What happens during safety switch testing
RCD safety switch testing is inspection work focused on the residual current device and the circuits it protects. The testing process may involve recording the condition of the equipment, taking readings, comparing performance with expected operation and identifying whether repair, replacement or further investigation is required.
Testing can also confirm whether circuit labels are clear and correctly identified. Good circuit identification is practical household information, particularly where a switchboard serves equipment such as appliances or pumps.
The intervals for checking RCDs are outlined in Australian Standards. A plumbing business can discuss the reason testing is needed and the information required for the particular property.
Signs worth reporting
A tripping RCD does not by itself identify the underlying issue. Still, the pattern of the problem can be useful when arranging rcd testing electrical work. Report what you have noticed in plain language, including:
nuisance tripping or a device that will not remain reset;
an intermittent issue associated with an appliance or pump;
visible water damage around relevant equipment;
unclear, missing or confusing circuit labels; and
any difficulty accessing the switchboard or affected equipment.
Water-damaged equipment, failed devices, poor circuit identification and intermittent faults associated with appliances or pumps are examples of matters that may need closer attention. The outcome of testing determines whether further investigation, repair or replacement is identified.
RCD testing where plumbing equipment relies on power
Within a home, some plumbing assets rely on power or controls. The residential Electrical service family identifies plumbing businesses that can lawfully deal with electrical elements connected to plumbing assets, either under a restricted electrical licence or with full electrical capability. The right scope depends on the asset and the work required.
When describing the issue, explain the connection you have noticed without trying to diagnose it. For example, note whether the problem appears when a particular pump or appliance is operating, whether it is intermittent, and whether any labels on the existing equipment are visible.
Prepare useful information before you choose a plumbing business
For homes, apartments and smaller private properties, a concise record can help a plumbing business understand the situation. Have the following ready where available:
Property and contact details: the address, contact person and best access instructions.
The reason for the test: whether it relates to compliance, sale, a fault, water loss or insurance.
Relevant records: an asset register, previous reports, certificates or maintenance history.
Access information: the exact location of the switchboard or asset, plus any restrictions.
Clear visual context: photos or short videos of the issue, surrounding area and existing labels.
Site circumstances: any urgency, safety concerns, isolation status or whether the area is occupied.
If a report is required, it is also helpful to state the required format. These details support a more informed conversation about the testing needed and the likely next step.
Products and names you may encounter
Switchboards, protective devices and related electrical equipment can carry a range of product names. Examples customers may encounter include Clipsal, Hager, Legrand, Schneider Electric, Eaton, ABB, HPM and NHP. These names are associated with electrical products and supply channels; their presence does not determine the condition of a device or the outcome of testing.
Other names that may appear in product, supply or project conversations include MM Electrical, Lawrence and Hanson, CNW Electrical, Reece and Galvins. A clear photo of labels or equipment can help identify what is already installed without relying on memory alone.
Choosing a Master Plumber for RCD testing
Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for their property or project. Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with the Master Plumbers and Gasfitters Association of Western Australia.
The Association has represented Western Australia’s plumbing and gasfitting industry since 1901 and promotes quality plumbing that protects community health and safety. Find a Master Plumber is backed by the Master Plumbers and Gasfitters Association of Western Australia.
For an issue involving a plumbing asset and its electrical elements, describe the equipment, symptoms and reason for testing so you can choose a plumbing business suited to the work being considered.
Related electrical services
RCD testing sits within the Electrical service family for residential plumbing. Depending on the equipment and the work identified, it may be useful to consider other electrical-related pathways connected to plumbing assets, including restricted electrical work, full electrical capability or testing and tagging.
RCD testing questions
What does RCD testing check?
It checks residual current devices at a switchboard or distribution board, including whether the RCD trips within the required performance range and whether circuits are labelled correctly.
What is a safety switch?
An RCD is a protective switch, usually labelled at the board, that trips when leakage current is detected to reduce electric shock risk.
Why might an RCD trip?
Potential issues noted during testing can include nuisance tripping, failed devices, water-damaged equipment, poor circuit identification and intermittent faults associated with appliances or pumps. Testing may identify whether further investigation is required.
What should I provide before testing is arranged?
Useful information can include the property address, access instructions, reason for the test, relevant reports or maintenance history, photos or videos, and details of any safety concerns or occupied areas.
Can a plumbing business help where a pump appears linked to the issue?
The residential Electrical service family identifies plumbing businesses that can lawfully deal with electrical elements connected to plumbing assets, either under a restricted electrical licence or with full electrical capability. Explain the asset and symptoms when choosing a plumbing business.
What may happen after the test?
The testing and inspection process may identify whether repair, replacement or further investigation is required.
Find a Master Plumber is an industry directory for finding Master Plumbers and plumbing businesses associated with Master Plumbers WA. Use the details of the issue and the affected equipment to choose a plumbing business for your service needs.
