When jointing lead to copper, it is recommended that the fitting used is approved by

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Multiple Choice

When jointing lead to copper, it is recommended that the fitting used is approved by

Explanation:
The key idea is that fittings used on drinking water systems must have WRAS approval. WRAS authentication shows that the fitting materials and construction are safe for potable water, have been tested to prevent contamination, and are suitable for use with dissimilar metals such as lead and copper in a drinking-water supply. Using a WRAS-approved fitting gives you the official assurance that the joint won’t leach harmful substances and will meet UK water regulations. Other organizations like UL, CSA, and ANSI provide general safety or performance certifications, but they aren’t the specific approvals required for potable-water fittings in the UK.

The key idea is that fittings used on drinking water systems must have WRAS approval. WRAS authentication shows that the fitting materials and construction are safe for potable water, have been tested to prevent contamination, and are suitable for use with dissimilar metals such as lead and copper in a drinking-water supply. Using a WRAS-approved fitting gives you the official assurance that the joint won’t leach harmful substances and will meet UK water regulations. Other organizations like UL, CSA, and ANSI provide general safety or performance certifications, but they aren’t the specific approvals required for potable-water fittings in the UK.

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